Contraception Flashcards

1
Q

perfect and typical use failure rate for NFP

A

Perfect: 0.4-5%

Typical: 24%

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2
Q

perfect and typical use failure rate for male condoms

A

Perfect: 2%

Typical: 18%

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3
Q

perfect and typical use failure rate for female condoms

A

Perfect: 5%

Typical: 21%

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4
Q

perfect and typical use failure rate for CHC

A

Perfect: 0.3%

Typical: 9%

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5
Q

perfect and typical use failure rate for POP

A

Perfect: 0.3%

Typical: 9%

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6
Q

perfect and typical use failure rate for injectable contraception

A

Perfect: 0.2%

Typical: 6%

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7
Q

perfect and typical use failure rate for IUS

A

Perfect: 0.2%

Typical: 0.2%

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8
Q

perfect and typical use failure rate for IUD

A

Perfect:0.6%

Typical: 0.8%

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9
Q

perfect and typical use failure rate for implant

A

Perfect: 0.05%

Typical: 0.05%

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10
Q

perfect and typical use failure rate for male sterilisation

A

Perfect: 0.1%

Typical: 0.15%

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11
Q

perfect and typical use failure rate for female sterilisation

A

Perfect: 0.5%

Typical: 0.5%

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12
Q

Types of progestin only oral contraception

A

Noresthisterone 350mcg

Levonogestrel 30mcg

Desogestrel 75mcg

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13
Q

Mechanism of action of desogestrel, levonorgestrel and noresthisterone progestin only oral contraception

A

All cx mucus effect (thickens)
Desogestrel suppresses ovulation in 97% users

LNG/NET variably suppress ovulation (~50%) but not reliably

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14
Q

Bleeding pattern on NET/LNG POP

A

50–70% of cycles in women using the POP
will be of ‘normal’ length, i.e. between 25 and 35 days
25% of cycles will be shortened
5–10% of women will have persistent amenorrhoea

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15
Q

Time to effect of all POP

A

48hrs

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16
Q

What is considered a missed pill for LNG POP?

A

> 3hrs (ie >27hrs since last pill)

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17
Q

What is considered a missed pill for NET POP?

A

> 3hrs (ie >27hrs since last pill)

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18
Q

What is considered a missed pill for DSG POP?

A

> 12hrs (ie >36hrs since last pill)

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19
Q

Advice to a woman who is late taking POP

A

Take as soon as remember even if this means two on same day, condoms 48hrs. EC if upsi after missed pill and <48hrs from restarting

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20
Q

Does weight impact on efficacy of POP

A

No (but might have more BTB)

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21
Q

If a POP user vomits 3hrs after taking her pop does she need to retake it?

A

No FSRH guidelines = <2hrs need to retake and if >3hrs since time to take tx as missed pill

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22
Q

Drug interactions reducing efficacy for POP

A

Liver enzyme inducers

Epileptics: carbamazepine, phenobarbital, phenytoin, topiramate (technically can be considered if <200mg by specialist)

Antibiotics: rifampicin/rifabutin

HIV ARVs: efavirenz/nevirapine/ritonovir

St John’s wort

Others: modafinil, bosentan, apreitant, lumacaftor/orkembi

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23
Q

Describe the impact of using POP whilst on lamotrigine

A

POP may reduce lamotrigine levels and decrease seizure control - best started with monitoring of lamotrigine levels and with neuro input

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24
Q

What advice should be give to a woman using rifampicin for the treatment of TB with respect to her contraception

A

If short course <2/12 condoms should be advised during use and for 28 days after if using POP/CHC/Implant contraception

If using longer than 2/12 should be advised to consider switching to IUC/depo

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25
List the UKMEC 4s for POP
Current breast cancer
26
List the UKMEC 3s for POP
Continuation of POP if IHD/stroke whilst on it Past breast cancer Severe (decompensated) liver cirrhosis Hepatocellular carcinoma/adenoma
27
A woman wishes to start DSG POP, she is currently on day 14 of her natural cycle and has been using condoms perfectly - what do you advise her with respect to time to effect
Q/S, condoms 48hrs or day 1-5 of her next cycle and effective immediately
28
A woman wishes to start DSG POP, she is currently on day 14 of her natural cycle and not had SI since her LMP - what do you advise her with respect to time to effect
Q/S, condoms 48hrs or day 1-5 of her next cycle and effective immediately
29
A woman wishes to start DSG POP, she is currently on day 14 of her 28 day natural cycle and has been having UPSI - what do you advise her?
Q/S, condoms 48hrs or day 1-5 of her next cycle and effective immediately Should consider EC IUD most effective Oral EC day 14 highest risk UPA and 5/7 delay to start condoms until POP 48hrs, PT 3/52 If unable to use condoms LNG EC and immediate Q/S condoms 48hrs and PT 3/52
30
Woman is using CHC and has just turned 35 and smokes 20/day, you have advised her that CHC is now contraindicated and discussed alternative options, she had chosen to start the POP as an alternative. She is currently on day 5 of her pill pack and reports taking her CHC correctly, what do you advise her about starting and time to effect for POP?
She should continue her CHC until taken for 7 consecutive days then may start the POP on day 8 and no additional precautions are needed
31
Woman is using CHC and has just turned 35 and smokes 20/day, you have advised her that CHC is now contraindicated and discussed alternative options, she had chosen to start the POP as an alternative. She is currently on day 3 of her HFI pack and reports taking her CHC correctly with LSI on day 1 of the HFI, what do you advise her about starting and time to effect for POP?
She should restart her CHC for 7 days and then on the 8th day can switch to POP with no additional precautions are needed7 Rationale: UPSI since HFI starting ad not on day 1-2 of HFI.
32
Woman is using CHC and has just turned 35 and smokes 20/day, you have advised her that CHC is now contraindicated and discussed alternative options, she had chosen to start the POP as an alternative. She is currently on day 1 of her HFI pack and reports taking her CHC correctly with LSI on day 1 of the HFI, what do you advise her about starting and time to effect for POP?
Start POP today, no additional precautions required Rationale day 1-2 of HFI can q/s any method without EPs except IUS which can only q/s on day 1 of HFI without continuing method 7/7/
33
Woman is using CHC and has just turned 35 and smokes 20/day, you have advised her that CHC is now contraindicated and discussed alternative options, she had chosen to start the POP as an alternative. She is currently on day 17 of her pack and reports taking her CHC correctly with LSI on day 16 of the pack, what do you advise her about starting and time to effect for POP?
Start POP today, no additional precautions required Rationale week 2&3 of CHC can q/s any method without EP
34
A 26 yo woman is switching from implant to DSG POP, her implant has been in situ for 9/12 and she has had btb causing her to request removal and doesn't wish to try treatments to manage btb on the implant. If she is starting POP today, how long should you advise her to use condoms/abstain for?
None, POP is effective immediately of Q/S on the day of implant removal.
35
A 26 yo woman is switching from implant to DSG POP, her implant has been in situ for 3y 4m, she doesn't wish replacement as she will be planning pregnancy soon. She last had sex 1 week ago without condoms. If she is starting POP today, how long should you advise her to use condoms/abstain for and pregnancy testing
She should use condoms/abstain for 48hrs, pregnancy test today and 3/52 after the UPSI.
36
A 26 yo woman is switching from implant to DSG POP, her implant has been in situ for 3y 4m, she doesn't wish replacement as she will be planning pregnancy soon. Her last sex with 4 weeks ago without condoms. If she is starting POP today, how long should you advise her to use condoms/abstain for and pregnancy testing
She should use condoms/abstain for 48hrs, pregnancy test today if negative no repeat needed as will be accurate
37
A 26 yo woman is switching from implant to DSG POP, her implant has been in situ for 3y 4m, she doesn't wish replacement as she will be planning pregnancy soon. She had been using condoms consistently since it expired. If she is starting POP today, how long should you advise her to use condoms/abstain for and pregnancy testing
she should use condoms/abstain for 48hrs, no pregnancy testing required
38
A 30 yo on NET POP would like to switch to DSG POP because she finds the 3hr window challenging, she had taken her NET POP perfectly, what do you advise her with respect to time to effect and additional precautions?
Effective immediately, no EP needed
39
A 26 yo woman is switching from depo to DSG POP, as she reports weight gain, last depo was given 12w 4 days ago. If she is starting POP today, how long should you advise her to use condoms/abstain for and pregnancy testing
Effective immediately, no EP needed rationale: depo effective up to 13w6d therefore effective immediately, no EP needed
40
A 26 yo woman is switching from depo to DSG POP, as she reports weight gain, last depo was given 14w 2d ago., she has sex 4 days ago. If she is starting POP today, how long should you advise her to use condoms/abstain for and pregnancy testing
Condoms/abstain 48hrs. EC/PT not required as LSI within 13w6d
41
A 26 yo woman is switching from depo to DSG POP, as she reports weight gain, last depo was given 16w ago., she has sex 4 days ago, and prior to this LSI was 4/52 ago. If she is starting POP today, how long should you advise her to use condoms/abstain for and pregnancy testing, and EC?
Should be offered EC, can have IUD. If declines discussed depo vs POP in q/s situation (no known fetal impact from depo but guideline suggests consider alternative) If accepts depo UPA EC and delay q/s 5/7 and condoms until depo insitu 7/7 (ie 13/7 from today) or if wants depo today LNG EC (although OOL as >72hrs) and q/s depo, condoms 7/7 PT 3/52 post last upsi
42
A 29yo woman presents to have her IUS removed as she would like to start POP with a view to planning a pregnancy in a few months, LSI was 9/7 ago and her IUS is indate, what do you advise her with respect to EP?
condoms for 48hrs after starting POP.
43
A 29yo woman presents to have her IUS removed as she would like to start POP with a view to planning a pregnancy in a few months, LSI was 4/7 ago and her IUS is indate, what do you advise her with respect to EP?
start pop today and keep the IUS a further 3/7 (7/7 no UPSI pre IUC removal). If she insists on immediate removal, LNG EC and q/s POP, EP 48hrs Can't have UPA as progestin use in IUS.
44
A 29yo woman presents to have her IUS removed as she would like to start POP with a view to planning a pregnancy in a few months, LSI was 9/7 ago and her IUS (mirena) has been in sity 5y6m, what do you advise her.
PT today and 3/52 after UPSI, remove and q/s, 48hrs EP. Technically out of date, hence the PT although failure rate likely to be low.
45
A 29yo woman presents to have her IUS removed as she would like to start POP with a view to planning a pregnancy in a few months, LSI was 9/7 ago and her IUS (levosert) has been in sity 5y6m, what do you advise her.
condoms for 48hrs after starting POP. Levosert licenced 6 years
46
A 29yo woman presents to have her IUD removed as she would like to start using condoms with a view to planning a pregnancy in a few months, LSI was 9/7 ago and her IUD is in date, what do you advise her.
Remove today and condoms from today
47
A 29yo woman presents to have her IUD removed as she would like to start using condoms with a view to planning a pregnancy in a few months, her LMP was 16 days ago, she has a 28 day cycle. LSI was 3/7 ago and her IUD is in date, what do you advise her.
Keep until no UPSI >7/7 pre IUD removal - high risk of pregnancy given mid cycle LSI If would like immediate removal today offer EC (UPA unless CI) if not planning pregnancy and PT 3/52, condoms from today.
48
A 29yo woman presents to have her IUD removed as she would like to start using condoms with a view to planning a pregnancy in a few months, her day 1 of her LMP was 3 days ago, she has a 28 day cycle. LSI was 4/7 ago and her IUD is in date, what do you advise her.
remove and condoms from today as LSI before LMP
49
a 22 yo woman wishes to start POP, she has not had a period in 6/12 and is known to have PCOS. LSI was 4/52 ago, what do you tell her about q/s the pop?
PT today and if negative condoms/abstain 48hrs (LSI >3/52 ago, pt accurate)
50
a 22 yo woman wishes to start POP, she has not had a period in 6/12 and is known to have PCOS. LSI, no condoms, was 2/52 ago, what do you tell her about q/s the pop?
PT today and in a week (3/52 since LSI), condoms 48hrs
51
What are the non-contraceptive benefits of POP contraception?
May improve dysmenorrhea, potential to help with cyclical symptoms (eg mood/skin)
52
What is the risk of NET with respect to VTE
>5mg/day metabolises to EE (15mg/day = ~30mcg EE) so caution in VTE risk. However 350mcg unlikely to have effect.
53
What is the risk of ectopic pregnancy with traditional POP use?
1/10 although absolute risk is low.
54
with respect to ovarian cysts - does POP increase or decrease risk
Increase. For all progestin only methods of contraception, it is not uncommon for women using POPs to experience persistent ovarian follicles (ovarian cysts)
55
Does POP contraception delay return to fertility?
No
56
average time to ovulation after stopping DSG POP?
average time to ovulation is 17.2 days after stopping DSG.
57
typical bleeding pattern for DSG POP
5 in 10 women can expect to be amenorrhoeic or have infrequent bleeding 4 in 10 women can expect to have 3–5 bleeding spotting/episodes (regular) 1 in 10 women can expect >6 bleeding/spotting episodes (frequent bleeding). In addition: 2 in 10 women will experience bleeding/spotting episode lasting >14 days (prolonged bleeding).
58
typical bleeding pattern for NET/LNG POP
Traditional POP users can be advised that frequent and irregular bleeding are common, while prolonged bleeding and amenorrhea are less likely 50–70% of cycles in women using the POP will be of ‘normal’ length, i.e. between 25 and 35 days; 25% of cycles will be shortened 5–10% of women will have persistent amenorrhoea
59
a woman presents complaining of reduced libdo and weight gain on dsg POP - she asks you if there is any evidence for POP being the cause
No evidence but if would like to try alternative it's reasonable
60
At what age can POP contraception be discontinued and menopause assumed
55
61
A 51 woman would like to know when she can stop using the pop and assume menopause has happened. She is amenorrhoeic. What do you tell her?
Contraception may be stopped age 55 with no further tests. If she would like to stop sooner, a woman who is amen on progestin only contraception can have their FSH levels checked, if >30iu/l continue contraception 1year, no need to repeat fsh
62
A woman age 49 attends asking if she can stop using condoms, as her last period was 18/12 ago. what do you tell her?
No continue for 6/12 if no further periods then can stop. <50 yo continue contraception until 2years or more after LMP
63
A woman age 51 attends asking if she can stop using condoms, as her last period was 18/12 ago. what do you tell her?
Yes can stop. >50 yo continue contraception until 1 year or more after LMP
64
Things to cover at initiation of DSG POP contraception and observations/ix needed, duration of supply.
Medical hx, medications (esp LEI), O&G hx, STI risk, allergies, previous contraception use. How to take; same time daily, no more than 12hrs late D&V V <2hrs, severe D Missed pills >12hrs late condoms 48hrs after restarting if UPSI after missed pill EC Risks minimal - hair, skin, mood, weight normally ok Bleeding pattern (50% amen, the rest frequent or infrequent irregular or prolonged) BMI and BP not strictly needed but helpful to compare if complain of gain in weight. 12/12 supply.
65
A 28 yo woman presents with BTB on POP since starting it 6/12 ago what do you do for her?
taking correctly, other mediations, ensure absorption, cx screening up to date, impact on life and what she would like to do about it if it's a SE and pathology excluded. STI screen, PT, examine to assess cx (if >3/12 btb or new onset). If all NAD reassure, consider switching method or alternative POP. Guidelines: no evidence for double DSG although often done OOL (small case series suggest 80% amen), no evidence for oestregen/TXA/mefenamic acid/vit C.
66
A 46 yo woman presents with BTB on POP since starting it 6/12 ago what do you do for her?
taking correctly, other mediations, ensure absorption, cx screening up to date, impact on life and what she would like to do about it if it's a SE and pathology excluded. STI screen, PT, examine to assess cx (if >3/12 btb or new onset). Consider EB (+/- hysteroscopy and USS) rationale: >45 and persistent BTB
67
A 46 yo woman presents with BTB on POP 4/12, she's been using the pop with occasional infrequent bleeds for the last 10 years, what do you do for her
taking correctly, other mediations, ensure absorption, cx screening up to date, impact on life and what she would like to do about it if it's a SE and pathology excluded. STI screen, PT, examine to assess cx (if >3/12 btb or new onset). Consider EB (+/- hysteroscopy and USS) rationale: >45 and change in bleeding pattern
68
A 37 yo woman with PCOS and migraines presents with BTB since starting POP 6/12. She has a BMI of 35. What do you do for her
taking correctly, other mediations, ensure absorption, cx screening up to date, impact on life and what she would like to do about it if it's a SE and pathology excluded. STI screen, PT, examine to assess cx (if >3/12 btb or new onset). OOL 150mcg DSG POP (not in guideline - exam will probably not use this!!) or switch if unhappy with spotting. Consider USS & EB Rationale: <45 and risk factors for endometrial hyperplasia - although likely iatrogenic secondary to DSG POP.
69
A 28 yo woman presents with BTB on POP since starting it 2/12 ago what do you do for her?
taking correctly, other mediations, ensure absorption, cx screening up to date, impact on life and what she would like to do about it if it's a SE and pathology excluded. STI screen, PT, don't need to examine unless pain, heavy bleeds/dysparunia. If all NAD reassure, may settle with time and f/u in a couple of month - if persistent examine and if NAD reassure/change method if desired.
70
What type of synthetic progestin is DSG
C 19 norethisterone derivative (gonane)
71
What type of synthetic progestin is NET
C 19-nortestosterone derivative (estrane)
72
What type of synthetic progestin is LNG
C 19 norethisterone derivative (gonane)
73
What type of synthetic progestin is Medroxyprogesterone
17-hydroxyprogesterone derivatives (pregnane) (closest to progesterone)
74
Which synthetic progestins have anti-andogenic properties
Cyproterone, Drospirenone, Dienogest, Nomegestrol
75
List progestins in CHC from most to least androgenic
levonorgestrel, NET DGS/gestrodene Drospirenone (Dienogest - qlaira) Cyproterone
76
List the progestins in CHC from least to most VTE risk
levonorgestrel, NET DGS/gestrodene Drospirenone Cyproterone
77
What is the VTE risk for a woman on no contraception
2 per 10000 women years
78
What is the VTE risk for a woman on LNG/30mcg EE CHC
5-7 per 10000 women years
79
What is the VTE risk for a woman on DSG/30mcg EE CHC
9-12 per 10000 women years
80
What is the VTE risk for a woman on Drosp/30mcg EE CHC
9-12 per 10000 women years
81
What is the VTE risk for a woman on patch CHC
6-12 per 10000 women years
82
What is the VTE risk for a woman on ring CHC
6-12 per 10000 women years
83
What type of synthetic progestin is Drospirenone
17 -spirolactone (spironolactone has anti mineral corticoid effects) anti-androgenic potency is about 1/3 of cyproterone acetate
84
What type of synthetic progestin is Dienogest
hybrid of 19-nortestosterone and progesterone derivatives. has a pronounced progestogenic effect on the endometrium with little affinity for oestrogen, glucocorticoid and mineralocorticoid receptors. Its anti-androgenicactivity is approximately 30% of that exhibited by cyproterone acetate Licenced for HMB and endometriosis alone or in combination with estradiol valerate
85
List the UKMEC 4 conditions for injectable contraception
current breast cancer
86
List the UKMEC 3 conditions for injectable contraception
Multiple risk factors for cardiovascular disease (CVD) Vascular disease (including coronary heart disease (CHD), pulmonary vascular disease (PVD), transient ischaemic attack (TIA) and hypertensive retinopathy) Current and history of ischaemic heart disease Stroke Unexplained vaginal bleeding Severe decompensated cirrhosis Benign hepatocellular adenoma Malignant hepatocellular carcinoma Past breast cancer
87
mechanism of action for injectable contraception
inhibits ovulation - primary MOA at pituitary level Cx mucus effect endomtrial changes
88
Dose interval for S/C injectable contraception
13/52
89
Dose interval for IM injectable contraception
12/52
90
shortest dose interval for injectable contraception
10/52
91
last day possible to give injectable contraception since previous dose of injectable contraception without EP/EC if UPSI
13w6d
92
relationship with weight gain on injectable contraception
some evidence of weight gain - Women who gain more than 5% of their baseline body weight in the first 6 months of DMPA use are likely to experience continued weight gain. <18yo or BMI >30 are risk factors for weight gain of DMPA
93
Expected bleeding pattern of injectable contraception after 3,12,24 months of use
Can be irregular, longer it is given for the more likely it is to cause amenorrhea 3/12: 10% amen 12/12: 40% amen 24/12: 68% amen
94
Dosing interval for NET injectable contraception
8 weekly, rarely used in UK
95
Risks of injectable contraception
weight gain, reduced (reversible) BMD, weak link to ca Cx, injection site reaction, headache (x 2), mood change (limited evidence but possible)
96
Risk factors for BMD to consider in injectable contraception
age (<18/>45), smoker, Fhx of osteoporosis, low BMI, poor dietary intake, drugs (cabamazipine, HIV meds, valproate)
97
What does a FRAX score measure
risk of developing osteoporosis in the next 10 years
98
what are the components of a FRAX score
age, sex, BMI, previous fracture, parents hip facture, smoker, glucocorticoids, rheumatoid arthritis, ETOH >3 units/day, BMD hip (if had dexa) secondary osteoporosis risk factors (eating disorder, thyroid disorder, POI, malnutrition, T1DM)
99
Impact of injectable contraception on lipids
unfavourable; increases LDL and decreases HDL
100
Impact of injectable contraception on carbohydrate metabolism
possible increased fasting glucose but poor studies there for not causal Diabetics don't seem to have worsening of glucose control on it.
101
Impact of injectable contraception on BMD
reversible reduction, most loss in first year or 2 of use. But not causal link with fracture In >18s 1.7-4.1% loss hip/spine/femoral at 2 years and up to 7% at 5 years. In <18s 2.5-3% loss of hip/spine/femoral head in first year of use and 2-6% loss hip/spine/femoral head by year 4. Compared to non-users who have a 2-6% increase hip/spine/femoral over 4 years. On average, adult women who use Depo have a BMD that is similar to that of non-Depo users within two to three years after stopping the injections
102
How soon after depo discontinuation would BMD loss expected to be reversed?
within 2-3 years
103
Why is depo a UKMEC 2 for < 18s
BMD risk, as at least 90 percent of peak bone mass is developed by age 18 and BMD starts to decline after 30yo
104
Starting depo consultation and ix
Medical hx, medications (esp LEI), O&G hx, STI risk, allergies, previous contraception use. preg risk and STI risk. Family plans (delayed return to fertility) BMI (BP not needed), How to take Failure rate Drug interactions (UPA) Side effects Bleeding pattern Missed dose Info about syanna press and IM, if syanna press chosen discuss lipoatrophy risk
105
continuation of depo
happy, SEs, bleeding, weight enquiry, medical hx 2 yearly osteoporosis risk. BMI
106
risk of VTE with depo
no increase
107
injection site of IM injectable contraception
UOQ dursogluteal or ventrogluteal If raised BMI consider deltoid as risk of non-IM administration
108
injection site of SC injectable contraception
abdomen or upper thighs
109
When can you start depo with no condoms or abstinence required?
day 1-5 natural cycle up to day 5 after early pregnancy loss Up to day 21 post delivery LMA criteria met but must continue LAM 7/7
110
A 28yo woman presents wishing to change from implant to depo due to btb which has been investigated fully. Her implant has been in situ 18/12, what do you advise her about time to effect?
effective immediately, no EP required.
111
A 28yo woman presents wishing to change from implant to depo. Her implant has been in situ for 3y 6m, she has been using comdoms consistently since, what do you advise her about time to effect?
Q/S 7/7 EP
112
A 28yo woman presents wishing to change from implant to depo. Her implant has been in situ for 3y 6m, she has not used condoms and had UPSI 7/7 ago, what do you advise her about time to effect/EC and PT?
can Q/S DMPA if doesn't want alternative bridging method. >5/7 since USPI therefore EC inappropriate PT today and if negative give depo and home PT 3/52. Condoms 7/7
113
A 28yo woman presents wishing to change from implant to depo. Her implant has been in situ for 4y 1m, she has not used condoms and had multiple since expiry and in the last 3/52, LSI 2/7 ago, what do you advise her about time to effect/EC and PT?
can Q/S DMPA if doesn't want alternative bridging method. Offer LNG EC (circulating ENG levels may impact on UPA efficacy, IUD not suitable as preg risk) PT today and if negative give depo and home PT 3/52. Condoms 7/7
114
A 28yo woman presents wishing to change from implant to depo. Her implant has been in situ for 4y 1m, she has used condoms since expiry, what do you advise her about time to effect/EC and PT?
Q/S 7/7 EP
115
A 28yo woman presents wishing to change from implant to depo. Her implant has been in situ for 4y 1m, LSI was 4/52 ago, what do you advise her about time to effect/EC and PT?
PT today, if neg Q/S 7/7 EP
116
A 28yo woman presents wishing to change from implant to depo. Her implant has been in situ for 4y 1m, she has not had SI in over a month until 2/7 ago where she met a new partner ad has UPSI, what do you advise her about time to effect/EC and PT?
Offer EC IUD suitable, if declines can Q/S DMPA if doesn't want alternative bridging method. Offer LNG EC (circulating ENG levels may impact on UPA efficacy, IUD not suitable as preg risk) PT today and if negative give depo and home PT 3/52. Condoms 7/7
117
a 30 yo with no CI to DMPA is currently using DSG POP and has had no missed pills, what do you tell her about time to effect for DMPA
effective immediately, no EP required
118
a 30 yo with no CI to DMPA is currently using NET POP and has had no missed pills, what do you tell her about time to effect for DMPA
continue POP 7/7 or condoms 7/7 (cx mucus thickening only for traditional pop therefore time to effect)
119
a 20yo attends for repeat depo, has last had it 14w6d go, LSI was 3/52 ago, what do you advise her about PT/time to effect/EC.
No EC or PT needed as LSI whilst depo indate 7/7 EP as out of timeframe.
120
a 20yo attends for repeat depo, has last had it 14w6d go, LSI was 7/7 ago, what do you advise her about PT/time to effect/EC.
Too late for EC PT 3/52 can Q/S DMPA if doesn't want alternative bridging method.
121
a 30 yo attends wishing to switch to depo from IUS, her IUS (levosert) is 3years old, she has no CI to depo, LSI was 9/7 ago, what do you advise her about removing her IUS and starting the depo
Can remove today and start depo but 7/7 condom/abstain or depo today and rebook for ius removal 7/7 if doesn't wish condoms and planning SI.
122
a 30 yo attends wishing to switch to depo from IUS, her IUS (levosert) is 3years old, she has no CI to depo, LSI was 3/7 ago, what do you advise her about removing her IUS and starting the depo
depo today and rebook for ius removal 7/7 then no EP required. If wishes removal today offer oral EC and Q/S.
123
a 30 yo attends wishing to switch to depo from IUD, her IUD is in date, she has no CI to depo, LMP started 2/7 ago. LSI was 3/7 ago, without condoms what do you advise her about removing her IUD and starting the depo
effective immediately, no EP required (day 1-5 of natural cycle)
124
a 30 yo attends wishing to switch to depo from IUD, her IUD is in date, she has no CI to depo, LMP started 14 days ago. LSI was 8/7 ago, what do you advise her about removing her IUD and starting the depo
Can remove today and start depo but 7/7 condom/abstain or depo today and rebook for iud removal 7/7 if doesn't wish condoms and planning SI.
125
a 30 yo attends wishing to switch to depo from IUD, her IUD is in date, she has no CI to depo, LMP started 14 days ago. LSI was 3/7 ago without condoms, what do you advise her about removing her IUD and starting the depo
depo today and rebook for iud removal 7/7 If wants removal today offer oral EC and QS.
126
management of BTB of a 28yo on depo since starting 6/12 ago
ensure taking correctly, cx screening up to date, impact on life and what she would like to do about it if it's a SE and pathology excluded. STI screen, PT, examine to assess cx (as >3/12 btb) Reassure may settle with time, offer COC if not CI, can reduce dosing interval to 10/52, short term mefenamic acid or TXA but will only help whilst on it.
127
management of BTB of a 47yo on depo 3years, normally amen, new onset bleeding, she is known to have PCOS.
ensure taking correctly, cx screening up to date, impact on life and what she would like to do about it if it's a SE and pathology excluded. STI screen, PT, examine to assess cx (as >3/12 btb) As >45, uss and endometrial biopsy warranted (also PCOS is a risk factor)
128
a 30yo on carbamazepine for epilepsy would like to start contraception, she has a bicornuate uterus and is usually fit and well. G0P0 with normal menstrual hx. Which method is safe for her, what would you suggest in the long term and what considerations for her bone health do you need to make?
Can only use depo. When family complete offer steri. BMD risk of depo with carbamazepine, suggest vit d and calcium supplementation.
129
a 40 year woman presents asking for contraception, she had Ca breast 5 years ago, it was ER and RP negative, and asks if she can have depo as she would like to be amen. Can she use depo?
UKMEC 3 - would need to consult with local onc team, suggest IUS as lowest dose and better evidence for heavy periods (most onc teams happy to use IUS if PR negative) Until then IUD or barrier methods.
130
Failure rate for male sterilisation?
1/2000
131
Failure rate for female sterilisation?
1/200
132
In male sterilisation when should a seamen sample to check efficacy be taken?
3/12
133
Post vasectomy seamen analysis should have what number of sperm to be considered successful?
<100000 non-mobile sperm/ml seen
134
If a post vasectomy seamen analysis taken 3/12 post procedure has a level of 150000 motile sperm/ml seen. what should be advised?
Continue using alternative contraception, repeat at 6-7 months, if this is still inadequate = vasectomy failure. Needs to be <100000 motile sperm/ml
135
Up till what time post vasectomy is reversal most likely to be successful?
<3 years 74% preg rate.
136
How long after vasectomy should abstinence be suggested for healing?
2-7 days.
137
Risk of laparotomy during laparoscopic female sterilisation?
1-2/1000
138
Risk of death during laparoscopic sterilisation?
1/12000
139
How long after female sterilisation should a woman continue her CHC?
7 days, if in HFI or day one should take for another 7 days after HFI or omit HFI and take 7/7
140
How long after female sterilisation should a woman continue her POP?
7/7
141
How long after female sterilisation should a woman continue her implant?
Can be removed on the day
142
How long after female sterilisation should a woman continue her depo?
Perform procedure within licence of depo
143
An IUS can be removed at female sterilisation true or false?
Retain 7/7 if upsi in past week.
144
An IUD can be removed at female sterilisation true or false?
False, retain 7/7
145
Preferred method of female sterilisation at c/s?
tubal ligation/salpingectomy – clips more likely to fail as fallopian tubes enlarged (failure rate: clips 1.7/1000, ligation 0.4/1000)
146
Preferred method of tubal ligation in laparoscopic female sterilisation?
Filsche clips
147
When hysteroscopic sterilisation was licenced what follow up was required?
Imaging (XR or USS) 3/12 to confirm placement or HSG if unable to confirm with USS/XR.
148
Failure rate of sympothermal method of NFP with perfect use?
<1% (0.4%)
149
Components of combined or sympothermal NFP?
Basal body temperature cervical secretions calendar method
150
Explain calendar method of NFP?
Track cycle for 12 months, and -10 from longest cycle and – 20 from shortest cycle for no UPSI window. Eg woman with cycle between 27 and 32 days should avoid UPSI day 17-22.
151
Using cervical secretions as a sole indicator for fertility in NFP when should UPSI be avoided?
As soon as cx secretions start until 4 days after peak egg white like secretions
152
Perfect use failure of cx secretions only for NFP?
3%
153
What is the two day method of NFP?
Simplified cx secretion monitoring – avoid UPSI until 3 days of no secretions.
154
BBT method of NFP failure rate?
6.6%
155
BBT temperature rise indicating ovulation in NFP?
0.2oc
156
How to use BBT method of NFP?
Daily temp (before getting up and after min 3hrs rest), avoid UPSI until temp raised for 3 days in a row.
157
What is the standard days method of NFP?
For people with cycles 26-32 days avoid UPSI dy 8-19 of cycle. 12-20% failure rate with typical use, 5% failure with perfect use.
158
What do fertility monitoring devices monitor and name a commercially available device?
Estrone-3-glucuronide and LH. Persona
159
Failure rate of personal fertility monitoring?
6.2%
160
What medicines impact of NFP/fertility monitoring devices?
Many! Analgesia, tetracyclines, antihistamines to name a few.
161
Lactational amenorrhea criteria?
<6/12 post delivery, fully breast feeding <4hrs in day, <6 hrs at night, no top up feeds or expressing, amenorrhea
162
Efficacy of lactational amenorrhea?
98% perfect use
163
Failure of female condom typical and perfect use?
5% perfect, 21% typical
164
Failure of male condom typical and perfect use?
2% perfect use, 18% typical use
165
36. What can impact on the integrity of a condom?
Oil based products, creams, lubes, vaginal oestrogen
166
Failure of diaphragm typical and perfect use (caya)?
13.7% perfect, 17.8% typical
167
Benefits of caya diaphragm?
Non-latex, one size fits 80%
168
Failure of diaphragm typical and perfect use?
6% perfect and 12% typical
169
What needs to be used alone side a diaphragm?
Spermicidal gel
170
With traditional diaphragm if weight changes by how much may a new size be needed?
3kg
171
How to use a diaphragm?
Insert with spermicidal gel and leave in for 6hrs after SI (can stay in for longer if convenient (caya 24hrs, diaphragm 30hrs, cap 48hrs), any further episodes of SI should have reapplication of gel if >3hrs since insertion (2hrs for caya) or if insertion >3hrs before should apply more gel before SI (2hrs for caya)
172
What is the shelf life of use of a caya diaphragm?
2 years
173
When is a caya diaphragm not advised?
less than 6 weeks postpartum or if previously used a diaphragm size of 85 mm or larger, or 60 mm or smaller, caution if previous toxic shock syndrome with diaphragm or tampons.
174
Steps of applying a male condom?
Check in date, stored correctly, kite marked and pack intact. Open, squeeze out air, apply to erect penis and role down to base, leaving small area at the top for seamen, Remove before erection lost and away from female, dispose in bin.
175
How long after delivery should a woman be advised to wait until a diaphragm is suitable?
6 weeks
176
What is the pregnancy rate following insertion of a copper IUD for EC?
1/1000 (0.1%)
177
A woman presents for EC, following UPSI yesterday and on multiple days in this cycle. She is on day 20 of her reguar 29 day cycle, what methods can be offered to her and which will be most likely to be effective?
Copper IUD (day 20 is 5/7 after earliest predicted ovulation), can offer UPA/LNG but unlikely to be effective.
178
Mechanism of action of copper IUD for EC?
Prevents fertilisation and implantation
179
How long does a copper IUD need to be retained for EC if not continuing the method?
Next period or 3/52 and negative PT if period not on time or irregular.
180
How long after missed and not restarting CHC can an EC IUD be offered?
13 days (earliest ovulation is day 8, 8+5 = 13 for implantation prevention)
181
How long after missing pop and not restarting can an EC IUD be offered?
5/7
182
How long after missing depo and not restarting can an EC IUD be offered?
5/7 after first upsi since 14 weeks since last depo
183
How long after expired implant and not restarting can an EC IUD be offered?
5/7
184
How long after an IUS removal can an EC IUD be offered?
5/7 after first UPSI since removal (if no USPI in the 5 days before removal as ovulation not inhibited)
185
Mechanism of action of levonorgestrel EC?
Inhibits/delays follicular rupture thus ovulation up till LH surge. Some luteal phase dysfunction bit not known to change endometrium.
186
Dose of LNG EC for woman weighing 65kg, BMI under 25?
1.5mg
187
Dose of LNG EC for woman weighing 75kg?
3mg (>70kg = double dose)
188
Does of LNG EC for a woman with a BMI of 30?
3mg
189
Dose of LNG EC for a woman on topiramate?
3mg
190
Dose of LNG EC for a woman on rifampicin for TB?
3mg
191
Which oral EC is preferable in BMI >30 or weight 85kg?
No evidence of either being superior/inferior.
192
Efficacy of LNG EC given 24-48hrs post UPSI?
85%
193
Efficacy of LNG EC given 48-72hrs post UPSI?
58%
194
Efficacy of LNG EC given >72hrs post UPSI?
<50% OOL
195
What is the increased pregnancy risk when 1.5mg LNG EC is given to a woman with a BMI over 25 or 70kg?
4 x higher therefore double dose recommended.
196
Mechanism of action of UPA EC?
Selective progesterone receptor modulator, delayed ovulation up till ~2hrs before and after LH surge has started
197
Efficacy of UPA EC at 24, 48, 72, 96 and 120hrs?
same up till 120hrs ~5% total failure
198
Contraindications to UPA EC?
Gastric pH altered, breastfeeding (must discard 7/7), serve hepatic impairment (but a one off dose better than unplanned pregnancy), severe asthma on glucocorticoids (antimineralcorticoid effect)
199
How long following progestin use is UPA EC suggested to be delayed?
7/7
200
How long UPA EC is it recommended to delay progestin use?
5/7
201
Vomiting after oral EC, when is a repeat dose required?
<3hrs
202
A woman is taking topiramate for epilepsy, she attends having had UPSI 1/7 ago (only episode this cycle), she requests EC but declines an EC IUD, what should you offer her?
LNG 3mg as on liver enzyme inducer UPA is CI.
203
Side effects of oral EC?
Nausea, vomiting, delayed menses/irregular bleeding, hormonal SE.
204
Which oral EC is more likely to delay menses?
UPA 20% (LNG 10%)
205
Follow up following EC?
Home PT 3/52 after last UPSI if menses delayed by >7days, unusual bleeding (light/heavy), pain.
206
A woman presents 1/7 after UPSI, she is on day 13 of her 28 day cycle, she would like EC and declines a copper IUD, she had UPA EC on day 7 of her cycle, what can you offer her?
Ensure doesn’t want IUD, UPA again as more likely to work periovulation but could have LNG as >5/7 since UPA.
207
a 27 yo woman presents requesting more COC, she has no CI to EE. She states that she ran out of her pill and last took one 10 days ago. She has had condomless SI with a new partner of 1/12 since. What do you offer her?
EC - can have IUD (<13/7 since last CHC) or either oral (>7/7 since progestin). If IUD declined; Q/S CHC (if offering UPA wait 5/7 to q/s) condoms 7/7 Discuss LARC/memory aids for COC and requesting more. Check STI risk.
208
a 27 yo woman presents requesting more COC, she has no CI to EE. She states that she ran out of her pill and last took one 10 days ago. She has had condomless SI with a new partner of 1/12 since. What do you offer her?
EC - can have IUD (<13/7 since last CHC) or either oral (>7/7 since progestin), if If IUD declined; Q/S CHC (if offering UPA wait 5/7 to q/s) condoms/abstain 7/7 of LNG EC 13/7 if UPA EC. Discuss LARC/memory aids for COC and requesting more. Check STI risk.
209
What is the release rate of ENG implant 6 weeks after insertion?
ENG release rate reduces gradually over time, from 60–70 µg/day in weeks 5–6 to 35–45 µg/day at the end of the first year, and 25–30 µg/day at the end of the third year
210
What ENG serum concentration is rquired to inhibit ovulation and how quickly is this reached following insertion?
90 pg/m, within 24hrs
211
List the UKMEC 4s for implant
Current breast cancer
212
List the UKMEC 3s for implant
Current and history of ischaemic heart disease continuation (UKMEC2 for initiation) History of stroke continuation (UKMEC2 for initiation) Unexplained vaginal bleeding (before evaluation) Past breast cancer Severe (decompensated) cirrhosis Hepatocellular adenoma or carcinoma
213
Primary and secondary MOA of implant
Inhibits ovulation secondary: cx mucus effect and endometrial change
214
When was implanon the only implant in the UK
1999 until 2010
215
A 27y0 woman with a BMI of 35 attends asking if the implant is suitable for her, she is otherwise well and takes no medicines. What do you tell her about efficacy and BMI?
No evidence of reduction due to BMI. (some evidence they may have more problem bleeding)
216
What happens to ovarian activity whilst using the implant?
ovulation supressed but some background follicular activity continues with variable oestradiol levels - usually in the early follicular range.
217
Non contraceptive benefits of implant contraception
Likely to improve dysmenorrhea (70%+ improvement) Hair/skin/mood/libido - no good evidence. May improve or worsen. HMB/endo - no good evidence - may improve.
218
Failure rate of year 3-4 use of implant
~1/200
219
What drug interactions are there for the implant
Liver enzyme inducers and Griseofulvin reduce contraception efficacy. (lamotrigine/implant no impact)
220
A 26y woman with known PCOS is amenorrhoeic on the implant, before her implant she has previously needed to take progestins to induce a withdrawal bleed 4 x yearly, she asks you if she needs to continue with this has she is not having any bleeds on the implant - what do you tell her?
Not required for amenorrhea on any progestin only contraception Endometrium likely to be thinned on the implant, and oestrogen not unopposed as progestin in circulation
221
What is the association between implant and VTE
No evidence of increase But evidence is limited; RR 1.4. If stroke on implant UKMEC 3
222
What is the association between implant and MI
No evidence But evidence is limited; RR 2.14. If MI on implant UKMEC 3
223
What is the association between implant and osteoporosis?
No evidence Some studies suggest may decrease a little but not causal link to fracture risk
224
What is the association between implant and breast cancer risk
No evidence of increased risk But evidence is limited. Analysis of all methods of contraception suggests RR of ca breast is 1.2 but this increased CHC.
225
What is the association between implant and endometrial cancer risk
No evidence of increased risk But evidence is limited. Endometrium is thinned with a thickness of 3.3mm after 12/12 use (11.3mm average pre-implant)
226
What is the association between implant and Cx cancer risk
No evidence of increased risk But evidence is limited.
227
What is the association between implant and ovarian cancer risk
No evidence of increased risk But evidence is limited. RR for ovarian cancer and use of all progestin contraception is 0.72
228
What is the risk of ectopic pregnancy with implant contraception?
Absolute risk is reduced as unlikely to get pregnant 2-5% of pregnancies on implant will be ectopic (background ectopic rate in UK is 1%)
229
Mechanism of BTB on implant
Not fully understood The endometrial glands, stroma and vasculature are continuously exposed to progestogen and, at the same time, fluctuating levels of estrogen resulting from incomplete ovarian suppression. It is thought that this disturbs endometrial angiogenesis, resulting in thin-walled, distended, fragile superficial microvessels that bleed easily when subjected to minor stretching stresses. Progestogen exposure may cause the covering surface epithelium to detach from the underlying stroma, allowing subepithelial bleeds to become overt. Epithelial repair mechanisms may be defective, permitting light bleeding to persist
230
Typical bleeding pattern on implant
Unpredictable! Studies vary with reference periods and time. Typically= ~20% amen ~40% normal ~10% frequent ~ 30% infrequent ~ 20% prolonged (can be infrequent, frequent or normal frequency)
231
What % of users discontinue the implant early because of problem bleeding?
15-20%
232
What do you tell a patient about bleeding on the implant
Likely to change from natural cycle Unpredictable during life span of implant May improve with time but first 3/12 use broadly predictive Less total days bleeding than a natural cycle or pill but not predictable. Can have medicines to try to settle bleeding instead of removal if would like to keep the implant
233
how to manage BTB on implant
ensure palpable, check for drug interactions, cx screening up to date, impact on life and what she would like to do about it if it's a SE and pathology excluded. STI screen, PT, examine to assess cx (if >3/12 btb or pain/dysparunia) If >45, endometrial biopsy warranted or if <45 an risk factors for endometrial ca
234
a 46 yo woman attends complaining of btb on her implant, she has been using implants for 10years and usually has occasional and infrequent bleeding. It is now almost daily light bleeding. What do you do for her?
ensure palpable, check for drug interactions, cx screening up to date, impact on life and what she would like to do about it if it's a SE and pathology excluded. STI screen, PT, examine to assess cx (if >3/12 btb or pain/dysparunia) As >45, if STI/PT and cx negative, endometrial biopsy warranted
235
Management options for BTB on implant when pathology excluded?
COC if no CI for 3/12(can extend COC use according to professional judgement) Mefenamic acid 500 mg three times daily for 5 days may be considered Desogestrel POP - no evidence but common practice. There is evidence for tamoxifen, mifepristone and UPA but possible reduced efficacy of contraception and expensive Doxycycline - conflicting evidence
236
What evidence is there for acne improvement or worsening on implant?
Variable - better/worse/same 4% users discontinue due to acne implant users report 17% acne compared to IUD 13% Existing acne: 60% improve 30% same 10% worse
237
What evidence is there for headache improvement or worsening on implant?
No causative association 1.6% users discontinue due to headache
238
What do you tell a patient about weight gain on the implant
No evidence base of weight gain
239
A woman attends for replacement of her implant, it has been in situ for 3y6m, LSI without condoms was 2/7 ago, what do you tell her about safety of changing her implant/time to effect/pt/ec
Safe to do today if PT neg, EC not required (failure rate in year 4 comparable to COC/POP use), condoms 7/7, pt 3/52
240
If an implant has been in situ for 3-4 years and a woman has had condomless SI in the 5 days before attending for a refit should you provide her with EC.
No EC not required (failure rate in year 4 comparable to COC/POP use)
241
If an implant has been in situ for 4y 2m and a woman has had condomless SI in the 5 days before attending for a refit should you provide her with EC.
Yes, LNG EC Condoms 7/7, follow up PT
242
A woman attends for a replacement of her implant, it had been insitu for 2y10m, she had condomless SI 2/7 ago, is it safe to change today and how soon can she have condomless sex after replacement
Safe, effective immediately.
243
If an implant has been in situ for 3y4m and a woman has had condomless SI in the 5 days before attending for a refit should you provide her with EC and how soon until the implant is effective?
No EC, 7 days until effective
244
A woman attends to switch from CHC to an implant, she is on day 4 of the HFI and has taken the CHC correctly, LSI was 3/7 ago, what do you tell her about time to effect, stopping the CHC and EC?
No PT/EC required Continue CHC 7/7 after HFI
245
A woman attends to switch from CHC to an implant, she is on day 4 of the HFI and has taken the CHC correctly, LSI was 5/7 ago, what do you tell her about time to effect, stopping the CHC and EC?
No EC or PT required Either condoms 7/7 or continue CHC 7/7 after HFI
246
A woman attends to switch from CHC to an implant, she is on day 2 of the HFI and has taken the CHC correctly, LSI was 5/7 ago, what do you tell her about time to effect, stopping the CHC and EC?
Effective immediately No EC or PT required
247
A woman attends to switch from CHC to an implant, she is on day 2 of the HFI and has taken the CHC correctly, LSI was 1/7 ago, what do you tell her about time to effect, stopping the CHC and EC?
Effective immediately No EC or PT required
248
A woman attends to switch from CHC to an implant, she is on day 3 of her pill pack and has taken the CHC correctly, LSI was 6/7 ago, what do you tell her about time to effect, stopping the CHC and EC?
continue CHC 7/7 No EC or PT required
249
A woman attends to switch from CHC to an implant, she is on day 3 of her pill pack and has taken the CHC correctly, LSI was 12/7 ago, what do you tell her about time to effect, stopping the CHC and EC?
No EC or PT required Either condoms 7/7 or continue CHC 7/7 after HFI
250
A woman attends to switch from CHC to an implant, she is on day 14 of her pill pack and has taken the CHC correctly, LSI was 1/7 ago, what do you tell her about time to effect, stopping the CHC and EC?
No EC or PT required Effective immediately
251
A woman attends to switch from CHC to an implant, she is on day 14 of her pill pack and has taken the CHC sporadically with at least 3 missed pills this week, LSI was 1/7 ago, what do you tell her about time to effect, stopping the CHC and EC?
LNG EC, unable to offer UPA (interaction) or IUD (??when ovulation would happen with sporadic CHC use) Q/S implant and condoms 7/7 (efficacy of CHC not good) F/U PT
252
A woman attends to switch from CHC to an implant, she is on day 14 of her pill pack and has taken the CHC sporadically with at least 3 missed pills this week, LSI was 4 weeks ago, what do you tell her about time to effect, stopping the CHC and EC?
No EC required PT today (accurate) q/s implant condoms 7/7
253
A woman attends wishing to switch from depo to implant, last depo was 13w2d ago, LSI was 1/7 ago what do you tell her about time to effect and EC/PT?
No EC/PT required (<13w6d since last depo) Effective immediately
254
A woman attends wishing to switch from depo to implant, last depo was 14w2d ago, LSI was 1/7 ago what do you tell her about time to effect and EC/PT?
EC today (LNG or IUD), q/s implant, condoms 7/7, pt 3/52
255
A woman attends wishing to switch from depo to implant, last depo was 20 weeks ago, LSI was 4 weeks ago what do you tell her about time to effect and EC/PT?
PT today (accurate), q/s implant, condoms 7/7 No f/u PT, no EC.
256
A woman attends wishing to switch from NET pop to implant, she had taken her POP correctly, LSI was 1/7 ago what do you tell her about time to effect and EC/PT?
No EC or PT Q/S implant and continue pop 7/7 or condoms 7/7
257
A woman attends wishing to switch from DSG pop to implant, she had taken her POP correctly, LSI was 1/7 ago what do you tell her about time to effect and EC/PT?
No EC or PT Implant effective immediately
258
A woman attends wishing to switch from DSG pop to implant, she has been forgetful with the pop, LSI was 8/7 ago what do you tell her about time to effect and EC/PT?
Not eligible for EC PT today and 3/52 Q/S implant and condoms 7/7 (in theory if has used POP correctly for 48hrs could also continue POP 7/7 as alternative to condoms but forgetful already)
259
A woman attends wishing to switch from DSG pop to implant, she has been forgetful with the pop, LSI was 25/7 ago what do you tell her about time to effect and EC/PT?
PT today and 3/52 Q/S implant and condoms 7/7 (in theory if has used POP correctly for 48hrs could also continue POP 7/7 as alternative to condoms but forgetful already)
260
A woman attends wishing to switch from IUS (indate) to implant, LSI 1/7 ago what do you tell her about time to effect/ius removal and EC/PT?
Keep ius 7/7 No PT, no EC
261
A woman attends wishing to switch from IUS (indate) to implant, LSI 8/7 ago what do you tell her about time to effect/ius removal and EC/PT?
condoms 7/7 or keep IUS 7/7
262
A woman attends wishing to switch from 52mg IUS which has been in situ for 5y7m to implant, LSI 8/7 ago what do you tell her about time to effect/ius removal and EC/PT?
PT today Condoms or retain IUS 7/7 Consider PT 3/52 after LSI year 5-7 use rules only applies to 52mg IUS not 19.5mg or 13.5mg
263
A woman attends wishing to switch from 52mg IUS which has been in situ for 6y1m to implant, LSI 3/7 ago what do you tell her about time to effect/ius removal and EC/PT?
PT today Condoms AND retain IUS 7/7 Consider PT 3/52 year 5-7 use rules only applies to 52mg IUS not 19.5mg or 13.5mg
264
A woman attends wishing to switch from 19.5mg IUS which has been in situ for 5y3m to implant, LSI 3/7 ago what do you tell her about time to effect/ius removal and EC/PT?
PT, EC, Condoms for 7 days (consider retaining IUS as UPSI ≤7 days ago) PT 3/52 after UPSI
265
A woman attends wishing to switch from 13.5mg IUS which has been in situ for 3y3m to implant, LSI 3/52 ago what do you tell her about time to effect/ius removal and EC/PT?
PT today if neg q/s and condoms 7/7, Can remove IUS today.
266
Describe the insertion site for implant
8–10 cm proximally from the medial epicondyle along the sulcal line and then 3–5 cm posteriorly (over triceps), perpendicular to the sulcal line.
267
What is the maximum number of implants that can be inserted to the same site?
No maximum as only as new tract via incision site
268
A GP calls you for advice, a woman has an implant fitted over the biceps, it is palpable and has been in situ 2 years, the GP would like to know if they need to replace it to the new FSRH/MSD recommended site
No need to replace early but when due should move to new position
269
A GP calls you for advice, a woman has an implant fitted over the biceps, it is only slightly palpable and has been in situ 2 years, the GP would like to know if they need to replace it given it is deep
No need to replace early if definitely in situ but will need deep implant specialist removal
270
A GP calls you for advice, a woman has an implant fitted over the biceps by their colleague 6/12 ago, it is impalpable, what do you advise them
EC if required, bridge with POP (could fit new implant in other arm but can cause difficulty locating old one if not clear which are it is in and if etonogestrel levels are required) and refer to deep implant service to locate and remove
271
A 47yo woman wishes to switch from her implant to an IUS as she is going to start HRT. The implant has been in situ for 3y 6m, LSI was 3/7 ago, what do you advise her about the safety of fitting an IUS/PT/EC and time to effect
Safe to fit, EC not required, PT on the IUS fit day MUST be negative, Condoms for 7 days. PT 21 days after last UPSI
272
A 47yo woman wishes to switch from her implant to an IUS as she is going to start HRT. The implant has been in situ for 3y 6m, LSI was 4 weeks ago, what do you advise her about the safety of fitting an IUS/PT/EC and time to effect
safe to fit if PT negative, condoms 7/7 No EC, No FU PT
273
A 47yo woman wishes to switch from her implant to an IUS as she is going to start HRT. The implant has been in situ for 4y 2m, LSI was 4 weeks ago, what do you advise her about the safety of fitting an IUS/PT/EC and time to effect
safe to fit if PT negative, condoms 7/7 No EC, No FU PT
274
A 47yo woman wishes to switch from her implant to an IUS as she is going to start HRT. The implant has been in situ for 4y 2m, LSI was 5/7 ago, what do you advise her about the safety of fitting an IUS/PT/EC and time to effect
Consider EC Delay insertion until pregnancy excluded by negative PT 21 days after last UPSI consider bridging method
275
A 26 yo would like to switch from her implant to pop. The implant is 3y 4m old. LSI was 2/7 ago, what do you advise her
Start immediately Condoms for 2 days PT 21 days after last UPSI
276
A 26 yo would like to switch from her implant to IUD. The implant is 3y 4m old. LSI was 2/7 ago, what do you advise her
Insert immediately (PT MUST be negative) No additional precautions Consider PT 21 days after last UPSI
277
A 26 yo would like to switch from her implant to IUD. The implant is 3y 4m old. LSI was 4/52 ago, what do you advise her
Insert immediately (PT MUST be negative) No additional precautions
278
A 26 yo would like to switch from her implant to IUD. The implant is 4y 2m old. LSI was 7/7 ago, what do you advise her
If UPSI between 5 and 21 days ago, delay insertion until pregnancy excluded by negative PT 21 days after last UPSI Consider oral EC Consider bridging method
279
A 26 yo would like to switch from her implant to IUD. The implant is 4y 2m old. LSI was 7/7 ago, what do you advise her
If all UPSI either ≥21 days ago or <5 days ago, insert immediately (As EC IUD)
280
a woman attends requesting an implant, she had a DVT after a long haul flight and recently started apixiban 7/7 ago, what do you advise her about fitting?
Ok to fit in community but delay until >2/52 (loading dose is higher), fit just before the time she takes the apixiban, counsel about bruising and bleeding
281
What platelet count is considered ok to fit an implant without heam input?
>50x10^9/L
282
Does a fractured implant require removal before it is 3 years old
technically no, pt may prefer.
283
Steps in managing a impalpable implant
EC/bridge/PT USS or XR to locate - if present refer deep implant service If not present serum etonogestrel level - if present MRI to locate if not present implant not in situ.
284
A 17yo had a positive PT 3/52 after her implant was fitted, she ha has UPSI in the 3/52 before fitting. She plans to continue the pregnancy - does the implant need removal
No known harm to fetus but accepted practice to remove. Case by case MDT discussion about keeping as postnatal contraception if pt accepts. Unlikely true failure
285
A 27yo had a positive PT 6/12 after her implant was fitted, she plans to have a top, can she keep the implant
assess for cause of failure, if true failure consider alternative method as may fail again.
286
Considerations if a patient is using warfarin and having an IUS fit
Check INR 72hrs pre-fit. INR >3.5 fit in hospital observe 30min post fit Do not stop warfarin without haem input Advise against NSAID use (increases bleeding)
287
Considerations if a patient is using apixaban and having an IUS fit
Don't fit in first 2/52 apixaban use (bleeding risk higher) Fit shortly before dose due (tough level) observe 30min post fit Do not stop NOAC without haem input Advise against NSAID use (increases bleeding)
288
A 26 yo woman attends to replace her IUS (52mg), it has been in situ 4y10m, LSI was 8/7 ago, what do you advise her about time to effect
effective immediately
289
A 26 yo woman attends to replace her IUS (mirena 52mg), it has been in situ 5y10m, LSI was 8/7 ago, what do you advise her about time to effect and safety of changing
Can change today if PT neg, needs to abstain 7/7 and PT 3/52 Year 5-7 this is acceptable.
290
A 26 yo woman attends to replace her IUS (52mg), it has been in situ 4y10m, LSI was 3/7 ago, what do you advise her
delay change until abstained/condoms 7/7, then effective immediately if unable to abstain/use condoms consider short term POP
291
List the situations when an IUS is effective immediately
day 1-5 cycle (technically SPC states up to day 7 but FSRH switching guide = day 5) CHC Day 1 HFI or week 2-3 POP DSG Indate IUS to IUS IUD day 1-5 cycle (technically SPC states up to day 7 but FSRH switching guide = day 5) up to 5/7 post early preg loss (technically SPC states up to day 7 but FSRH switching guide = day 5) up to day 21 post delivery (although shouldn't be fitted 48hrs-28days due to perf risk) LAM criteria met Indate implant Indate depo
292
Mechanism of action for IUS
Endometrial thinning Possible cx mucus and foreign body effect
293
Daily release rate of LNG 52mg, 19.5mg and 13.5mg IUS initially and at end of product licence
52mg 20mcg --> 5mcg at 5 years 19.5mg 17.5mcg --> 7.4mcg at 5 years 13.5mg 14mcg --> 5mcg at 3 years
294
What % 52mg IUS are anovulatory and amenorrhoeic
~25%
295
What % 13.5mg IUS are anovulatory and amenorrhoeic
~13%
296
What is the reduction in menstrual blood loss reported with the 52mg IUS
70-90%
297
Expected bleeding pattern with LNG 52mg, 19.5mg and 13.5mg IUS
52mg 25% amen, rest irregular usually infrequent after the first few months of use 19.5mg 12-19--22% amen (year 1-5), rest irregular usually infrequent after the first few months of use 13.5mg ~13% amen, 20% infrequent, 4-12% frequent, 15-25% Irregular bleeding, 2-14% prolonged
298
Side effects of IUS
Irregular bleeding, ovarian cysts (~10%), abdo pain, expulsion, breast tenderness, No evidence for hair/skin/mood - individual
299
A woman was found to have group A strep on a HVS and attends to have an IUC fitted what should you advise her?
Delay fitting and treat - risk of severe infection/nec
300
A woman was found to have group B haemolytic strep on a HVS and attends to have an IUC fitted what should you advise her?
Doesn't require treatment unless preg related. No need to delay fitting
301
A woman aged 46 attends for her IUS change, she asks you how much longer she needs to use the IUS for until she doesn't need contraception- what do you tell her?
This is her last one! If fitted after 45yo can remain until 55 when infertility is assumed, if using for HRT must be <5 years old.
302
A woman aged 50 attends for her IUS change, she has her IUS fitted when she was 45y and 2m old, what do you advise her?
Leave in situ! If fitted after 45yo can remain until 55 when infertility is assumed, if using for HRT must be <5 years old.
303
a 25yo women presents 2/12 after her IUS was fitted, she complains of persistent bleeding since is was fitted, cx as the time was healthy, smears are up to date and STI screen is up to date - what do you advise her?
PT and examine to assess for tenderness and visible threads, if all NAD likely to settle with time, if continuing 3-6/12 post insertion consider USS to ensure correctly sited.
304
What is the association between IUS and BMD?
None
305
what is the link between breast cancer risk and IUS
no evidence of increased risk
306
what is the link between breast cancer recurrence and IUS
Possible association with recurrence, non-hormonal methods advised and discussion with breast/onc team but usually is progesterone receptor negative breast ca - then IUS is acceptable for contraception/HMB/endo hyperplasia without atypia tx
307
What are the risks of IUS fitting
Pain, bleeding, infection (PID 0.5%), perforation (1-2/1000 non-breastfeeding), expulsion (5%), vasovagal/cx shock
308
What are the risks of having an IUS
Unpredictable bleeding, hormonal SE, abdo pain ectopic pregnancy, NVT
309
what is the link between BV/candida and IUS
No association Although candida biofilm possible
310
What is the % risk of ovarian cyst with IUS
1-10%
311
Follow up for a post partum IUC fit
4-6/52 speculum Long threads - trim Device partially expelled (remove and replace if safe) NVT - EC/bridge/USS
312
Follow up following a routine IUC fit
Self check threads; routine coil checks not recommended
313
Expulsion risk post IUC fit
5%
314
Perforation risk in a breastfeeding woman
6-12/1000
315
What evidence is there for local anaesthetic at IUC fit
Cervical block - good evidence Instillagel - no evidence NSAIDs no evidence but post procedure pain reduced
316
What evidence is there for cx priming to assist IUC fit
Nil - misoprostol SE Expert opinion progestins soften - if unable to fit bridge with POP and return often easier.
317
Do sterile gloves need to be used for IUC fit
No, use no touch technique
318
What do you tell a woman about ectopic risk with IUS/IUD
Absolute risk low, but up to 50% pregnancies with IUC in situ will be ectopic
319
What are the inserter diameters of levosert, mirena, kyleena and jaydess
Levosert 4.8mm Mirena 4.4mm Kyleena/Jaydress 3.8mm
320
A 30 yo woman's smear results return with actinomyces like organisms found, she has a copper IUD in situ - what do you need to advise her?
No action required if asymp. Colonised but not infected.
321
A woman presents stating she is unable to feel her coil threads, an IUS was fitted 6/12 ago. LSI was 3/7 ago. She has no pain. What do you do for her?
PT, EC (LNG as levonogestrel in circulation), bridge, organise USS. F/U PT If insitu correctly; leave until time to replace. If partial perf/embedded hysteroscopy or laparoscopy depending on location. LA or GA. If total perf - laparoscopy If not seen abdo xr expelled - if seen in abdo = perf -->laparoscopy
322
A 32 yo woman attends with persistent pain and bleeding (non-cyclical) after an IUD was fitted. What do you think is the cause of her pain and what should you do for her?
Possible perf/partial perf/malposition Examine, assess if low and if threads visible (NVT increases suspicion of malposition), bimanual, urgent USS (as in pain) to assess location. If correctly sited, may resolve with time or require change to alternative depending on pt preference If partial perf/embedded hysteroscopy or laparoscopy depending on locaiton
323
A woman attends with amenorrhea on the IUD, it has been in situ 2 years, her PT is positive, you organise an EPU urgent uss to assess the pregnancy location, it is intrauterine and the IUD low lying, she is 6/40 by CRL with a FH seen, what do you recommend with respect to the IUD?
Remove in first trimester - counsel of risk of miscarriage If NVT best to leave in situ and do not instrument uterus if continuing, if not continuing, remove at stop or allow to come out at MTOP (could remove pre-procedure - matter of professional judgement but if uterus instrumented disrupts pregnancy and essentially procuring abortion - STOP may be less complicated)
324
A woman attends with amenorrhea on the IUD, it has been in situ 2 years, her PT is positive, you organise an EPU urgent uss to assess the pregnancy location, it is intrauterine and the IUD low lying, she is 13/40 by CRL with a FH seen, what do you recommend with respect to the IUD?
Leave in situ in second trimester
325
What is the definition of a low lying IUC on USS
>20mm from fundus
326
A 32yo woman presents with btb on IUS since fitting 4/12 ago, she has no pain, smears are up to date, cx is healthy, bimanual NAD. She would like to have more predicable bleeds. She is fit and well, non-smoker, bmi 22, no significant fhx - what treatment options are there for her?
FSRH guidelines COC 3/12 Often will settle with time - esp with a year of use. Beyond the guidelines can think about POP to settle Consider method switch
327
A 20 yo woman who is normally fit and well become faint and dizzy during a IUC fit. Her BP pre-proceedure was 120/60 and HR 65. It is no 70/50 and HR 50. She is conscious, what do you do for her?
Call for help Stop procedure ABCDE assessment Loosen clothing, oxygen, raise legs, BP/HR/SpO2 Most usually respond to this. If doesn't respond - consider removal IUC but weigh up with risk of re-exciting the cx. If remaining bradycardic (HR <60 and BP low) or risk factors for cardiac arrest (recent arrest, heart block, ventricular pause) consider atropine 500-600mcg IV (can be IM if no access, takes longer to respond). Max 3mg total dose.
328
Mechanism of action of IUD
Copper toxic to sperm and oocyte, prevents implantation
329
What is the accusation between BV and IUD
Some association, alkaline blood increases vagianl pH, if getting recurrently consider switching method
330
What is the accusation between candida and IUD
May be linked with recurrent candida as biofilm formation/colonisation of device possible
331
Management options for problem bleeding on IUD
first 6/12 quite common CHC or NSAIDs in FSRH guideline. Ensure not low/malpostioned
332
at what fitting age can an IUD be left in situ until menopause
If fitted 40yo or older >1yr since LMP if >50 >2yrs since LMP if <50
333
26yo female requests an IUD she is on long term prednisolone for Lupus. What do you advise her about fitting her coil.
Consider need to increase steroids for stress of procedure.
334
IS there any evidence not to use vibration plates, moon cups, tampons or MRI with IUC in situ?
No.
335
A woman with known long QT syndrome requests an IUS, she is on liver enzyme inducers and has struggled with weight gain on the depo and has heavy periods - what considerations do you need to make?
UKMEC 3 long QT Fit in conjunction with cardiology advice in hospital setting.
336
List UKMEC 4 for IUS
Initiation and PID/pelvic infection/post partum sepsis/post abortion sepsis/cx cancer awaiting tx/endometrial ca/symptomatic GC and CT Unexplained vaginal bleeding GTD: Persistent HCG or malignant disease Current ca breast
337
List the UKMEC 3 for IUS
>48hrs-28 days post natal initiation and complicated solid organ transplant Continuation and stroke/IHD Long QT and initiation Decreasing HCG GDT and initiation Radial trachelectomy and initiation past ca breast fibroid and uterine cavity distortion uterine cavity distortion Pelvic infections continuation Asym GC/CT severe cirrhosis hepatocellular adenoma/carcinoma HIV CD4 <200
338
List UKMEC 4 for IUD
Initiation and PID/pelvic infection/post partum sepsis/post abortion sepsis/cx cancer awaiting tx/endometrial ca/symptomatic GC and CT Unexplained vaginal bleeding GTD: Persistent HCG or malignant disease
339
List UKMEC 3 for IUD
>48hrs-28 days post natal initiation and complicated solid organ transplant Long QT and initiation Decreasing HCG GDT and initiation Radial trachelectomy and initiation fibroid and uterine cavity distortion uterine cavity distortion Pelvic infections continuation Asym GC/CT HIV CD4 <200
340
A 40 yo woman attends to change from implant to IUD, the implant has been in situ for 3y5m. LSI (without condoms) was 10/7 ago. She is up to date with her screening - is it safe to fit today/what do you advice her about removal of the implant/time to effect
Implant >3yrs but < 4yrs is ok to fit today and will be effective immediately, she should have a PT today and in 3/52. Rationale failure rate is 1/200 in yr 3-4, better than many people's pill use. If >4 years 21/7 no UPSI and neg PT needed for IUD/IUS fit
341
A 17 yo presents for an IUD fit, she is on day 4 of her regular 28 day cycle, LSI was 2/7 ago. What do you advise her about safety to fit today and time to effect
Safe to fit, effective immediately. STI screen?
342
A 36yo wishes to switch to an IUD after using the depo for a year but found she has gained weight which she attributes to the IUD - last depo was 14w5d ago, LSI was 4/7 ago, What do you advise her about safety to fit today and time to effect
Safe to fit (<5/7 since depo expired) effective immediately.
343
A 40yo wishes to switch to an IUD after using the depo for a year but found she has gained weight which she attributes to the IUD - last depo was 16w ago, LSI was 4/52 ago, What do you advise her about safety to fit today and time to effect
NO need to PT as depo was indate Can fit IUD effective immediately. Can remain in situ untl 55 or LMP >1year if over 50, >2years if under 50.
344
Risks of CHC
VTE x 2-6 (progestin dependent) CVE x 2 Breast cancer x 1.25 (in under 40s) Cervical cancer 5 years use low 10 years = x 2
345
List the non-contraceptive benefits of CHC
Reduced menstrual loss Reduced menstrual pain Acne improvement PMS management PCOS management Management of catamenial exacerbations of chronic conditions Ovarian, endometrial and colorectal cancer reduction (halved!) Ovarian cyst reduction
346
Benefits of shortened HFI
If late restarting/forgets/runs out; protected for 8 hormone free days ie: ≥9/7 since last COC consider EC if UPSI in HFI & condoms/abstain 7/7 Better ovarian suppression Less likely escape ovulation (reduced pregnancy risk) Improved hormone stability (catamenial exacerbations) Reduced hormone withdrawal symptoms (PMS) Reduced bleeding volume/pain (endo/HMB) No increase in VTE No delay to fertility (94.7% cycles return in 60/7, 98% within 90/7)
347
Oestrogenic SEs of CHC
Nausea Bloating Weight gain (water retention) Vaginal discharge (no infection) Breast enlargement/tenderness Some headaches Chloasma Photosensitivity
348
Progestogenic SEs of CHC
Acne Greasy hair Hirsutism Weight gain (increased appetite) Depression Loss of libido Vaginal dryness
349
Mx of BTB on CHC
Common in first 3/12 (~20%) Pregnancy test STI screen Taking correctly Drug interaction Absorption issues (inc D&V) Only examine if Dysmenorrhea/PCB/discharge/dyspareunia/new onset bleeding >3/12 use/woman requests If persists > 3/12 examine If examination NAD May reduce with time or increase EE dose or consider change to CVR/Qlaira
350
What is the risk of VTE in the immediate post partum?
45-60/10000 women years
351
What causes acne on CHC and what to do about it?
Progestins converted to dihydrotestosterone/occupy binding sites in SHBG and increases free testosterone Solution: change to less androgenic progestin eg: Levonorgestrel to Desogestrel or Gestodene
352
What causes hirsutism on CHC and what to do about it?
Progestin occupies binding sites in SHBG and increases free testosterone Solution: change to less androgenic progestin eg: Levonorgestrel to Desogestrel or Gestodene
353
What causes nausea on CHC and what to do about it?
oestrogen gastric emptying slowed (EXCLUDE PREGNANCY!) Solution: 1. Change timing of pill to bedtime 2. Reduce oestrogen dose (may get BTB) 3. Change to non-oral route
354
What causes bloating on CHC and what to do about it?
Oestrogen or Progestin Why: fluid retention or constipation Solution: 1. Reduce Oestrogen dose 2. Change to less androgenic progestin 3. Change to Drospirenone (mild diuretic) 4. Consider natural oestrogen (Qlaira/Zoely) (different pill rules)
355
What causes breast tenderness on CHC and what to do about it?
Oestrogen or Progestin Why? Fluid retention or breast tissue growth Solution: 1: Decrease oestrogen dose 2: Change type of progestin
356
What causes BTB on CHC and what to do about it?
Oestrogen or inadequate Progestin Why: “stabilises” endometrium (decidual reaction, blood vessel atrophy) Exclude: pregnancy and STI, examine if >3/12 Solution: If taking 20mcg oestrogen – increase oestrogen dose to a maximum of 35mcg Change to Etonogestrel containing pill Vaginal ring (best cycle control) Phased preparations (Qlaira) Natural oestrogen (Qlaira/Zoely)
357
What causes mood changes on CHC and what to do about it?
Progestin (not HFI) or Oestrogen (if in HFI) When? All the time or HFI Why? Progestin converted to testosterone or Withdrawal of oestrogen or Progestin effect on neurotransmitters Solution: 1. Change to less androgenic progestin eg: Levonorgestrel to Desogestrol or Gestrodene then to Drosperinone 2. Shorten/remove HFI (may get BTB)
358
What causes Dysmenorrhoea on CHC and what to do about it?
Withdrawal bleed (vessel spasm and myometrial contraction) Solution: 1: Extend the pill use, inducing endometrial atrophy 2: Abolish cycle – depo/IUS Though caution with IUS in women with pain 3. Consider endometriosis (1/10 women)
359
What causes reduced libido on CHC and what to do about it?
Progestin Why: female desire complicated… through to be oestrogen dominated Solution: 1. Change progestin to less androgenic progestin 2. Consider alternative to COC 3. IUS (less systemic) 4. IUD (non-hormonal) 5. Change the partner - Ryan Reynolds/Brad Pitt ?!
360
What causes headache on CHC and what to do about it?
Oestrogen or hormonal withdrawal or progestin Why? Depends on headache timing… Constant dull/worse on HFI; Progestin Solution: Switch progestin Low/non-hormonal (IUS/IUD) Worse on HFI: withdrawal of hormones Solution: Extend COC use Continuous progestin only Low/non-hormonal (IUS/IUD) Migraine like/non HFI: Oestrogen Solution: Reduce dose of oestrogen (may get BTB) Remove oestrogen! Low/non-hormonal (IUS/IUD) ‘Natural’ Oestrogen (Qlaira/Zoely)
361
Are there any methods of contraception where weight is thought to impact on efficacy? If so what is it and at what weight?
Patch Possible reduction >90kg - choose alternative
362
mechanism of action of CHC
primarily inhibits ovulation some cx mucus effect and endometrial change
363
a fit and well, BMI 19 42 yo woman on LNG/EE 30mcg CHC attends worried about early menopause after watching Divina's C4 show, her mother went through menopause ago 44. What investigations can you undertake to assess for early menopause.
FSH not accurate as on CHC. Guidelines suggest switching to POP 6/52 and measuring. Some evidence to suggest gonadotrophins including FSH return to near pre-CHC levels by day 28
364
A woman 22 attends complaining on increased acne since starting her LNG/30mcg CHC 4/12 ago. She has some moderate facial acne pre-CHC. She has NO CI to CHC. She is a good pill taker and declines a LARC, her diet is good and skincare has not changed. What can you suggest regarding switching her pill to another?
Change to less androgenic CHC (one step along the ladder eg desgoestrel or gestrodene containing, if this fails escalate to drosp containing and if that fails consider cyproterone containing - but suggest progestin only or non-hormonal method before cyproterone
365
In the treatment of acne - when using cyproterone containing CHC how long should be be used for?
Discontinue 3 months after acne has been controlled, to lower VTE risk CHC such as drosp/dsg/gest containing, accepting a repeat cycle may be needed.
366
IS there a difference in VTE risk between 20 and 30mcg CHC
No
367
What is the relative risk of stoke on a 20-35mcg CHC
20mcg 1.56 30-40mcg 1.75
368
What is the relative risk of stoke on a 50mcg CHC
3.28 (hence all CHC are <35mcg now)
369
What increase risk of VTE do CHC users have compared to non-users?
2-6x (baseline 2/10000, on CHC = 5-12/10000)
370
What is the relative risk of VTE on a 50mcg CHC compared to a 30-34mgc CHC
~2.2
371
Relative risk of heterozygote factor V Leiden for VTE?
6
372
Relative risk of homozygote factor V Leiden for VTE?
7
373
what is the association between CHC and cervical cancer
approximately doubles RR 1.9 Returns to baseline within 10 years of discontinuation
374
what is the association between CHC and breast cancer?
Small increased RR 1.19 Returns to baseline within 10 years of discontinuation
375
A woman age 30 attends requesting chc, she is a known carrier of BRCA 1 and has not yet had any treatment as she is planning to have a family soon - what do you advise her.
progestin only would be a safer method In theory short term CHC use is possible but not first line as ca breast risk is 65-79% by age 80 in BRCA 1 carriers, however chc is likely to half ovarian ca risk.
376
Describe the relationship between ethinylestradiol dose and the progestin type in CHC in relation to stroke risk
Increased dose EE --> increased stroke risk 20mcg RR 1.56, 30-40mcg RR 1.75, >50mcg RR 3.28 Progestin type not linked to stroke risk
377
Describe the relationship between ethinylestradiol dose and the progestin type in CHC in relation to VTE risk
EE <35mcg similar risks Progestin type linked, first and second generation lower risk than 3rd and newer
378
What is the relationship between CHC and colorectal cancer?
reduces by ~20%
379
What is the relationship between CHC and endometrial cancer?
reduces by~ 50% over 10 years use
380
What is the relationship between CHC and ovarain cancer?
reduces by~ 50%
381
Does CHC use have an impact on BMD
No evidence. Some theory in adolescent years cyclical oestrogen is important for bone formation
382
Is thrombophilia screening indicated in CHC use and why
Not usually, screening only picks up known thrombophilia. Very occasionally if Fhx and intolerant of progesterone only methods.
383
What is the baseline risk of stroke in women <49?
2.5/100,000
384
What is the baseline risk of stroke in women <49 with migraine without aura ?
4/100,000
385
What is the baseline risk of stroke in women <49 with migraine with aura ?
6/100,000
386
What is the baseline risk of stroke in women <49 using CHC ?
6.3/100,000 (OR 2.2)
387
What is the baseline risk of stroke in women <49 with migraine without aura, using CHC?
25/100,000
388
What is the baseline risk of stroke in women <49 with migraine with aura, using CHC?
37/100,000
389
what is the VTE risk of patch/ring CHC
6-12/10000
390
What is the VTE risk of LNG containing CHC?
5-7/10000
391
What is the VTE risk of dropirenone containing CHC?
9-12/10000
392
How late is too late restarting CHC after HFI
9 or more days since last chc
393
If a single CHC is missed on day 4 of the pack what do you advise the woman with respect to EC, pregnancy risk and extra precautions?
EC not required, as long as used correctly in week before HFI and restarted on time. No EP required
394
If a single CHC is missed on day 17 of the pack what do you advise the woman with respect to EC, pregnancy risk and extra precautions?
EC not required, no additional EC, have HFI as planned
395
If a two CHCs are missed on day 17 and 18 of the pack what do you advise the woman with respect to EC, pregnancy risk and extra precautions?
EC not required Take the most recent missed pill as soon as possible Continue the remaining pills at the usual time Omit the HFI EP 7/7 (this is over cautious in case of future misuse)
396
A woman 24, missed two CHCs are missed on day 3 and 5 of the pack, she sees you on day 6 of the pack. LSI was on day 1 of the pack. What do you advise the woman with respect to EC, pregnancy risk and extra precautions?
EC (UPSI in HFI, IUD or LNG) Take next pill EP 7/7 PT 3/52
397
What is zoely?
CHC containing oestradiol and nomestrol (monophasic) with 24 active pills and 4 placebo >12hrs late is late
398
If a single dose of zoely is missed on day 22 what do you advise the woman ?
Take asap, omit inactive pills (this rule applies for missed pills day 18-24)
399
What is qlaira
CHC containing oestradiol and dienogest in a quadraphasic preparation
400
How long does it take qlaira to become effective if not started on day 1-5 of natural cycle>
9/7
401
Which days of qlaira use does this pilled pill rule apply to? Take asap, and next pill as planned, continue pack, and additional precautions 9/7
Day 1-17
402
Which days of qlaira use does this pilled pill rule apply to? Discard the pack as start a new one
Day 18-24
403
Which days of qlaira use does this pilled pill rule apply to? No additional precautions
Day 25/26 and day 27/28
404
What is considered late restarting in ring CHC use?
8 or more days since last had ring in
405
How long does a ring CHC need to be out to be considered for EC and 7/7 additional precautions?
48hrs or more
406
How much longer can a ring stay in for before EC and additional precautions are required?
7 days (up to an including 28 days since insertion, 4 weeks)
407
a woman accidently used her ring CHC for 32 days, what do you advise her
No EC needed, omit HFI, 7/7 EP (FSRH overcautious).
408
a woman accidently used her ring CHC for 36 days, what do you advise her
EC if UPSI since week 5, omit HFI, additional precautions 7/7, f/u PT
409
a woman seeks advice at 12pm on Tuesday after her ring CHC fell out and down the loo at work at 10am on Monday. She is on week 2 of use. what do you advise her
<48hrs out no EC or EP required
410
a woman seeks advice at 9am on Wednesday after her ring CHC fell out and down the loo at work at 10am on Monday. She is on week 2 of use. what do you advise her
<48hrs out no EC or EP required
411
A woman seeks advice at 4pm on Wednesday after her ring CHC fell out and down the loo at work at 10am on Monday. She is on week 2 of use. what do you advise her
>48hrs out, EC not required, insert new ring, condoms 7/7
412
A woman seeks advice at 4pm on Wednesday after her ring CHC fell out and down the loo at work at 10am on Monday. She is on week 3 of use. what do you advise her
>48hrs out, EC not required, insert new ring, omit HFI, condoms 7/7
413
A woman seeks advice at 4pm on Wednesday after her ring CHC fell out and down the loo at work at 10am on Monday. She was on day 3 of use and last had sex on day 1 of week one, what do you advise her
EC as UPSI in week one Insert ring as soon as possible Keep ring in until scheduled ring removal day Condoms should be used or sex avoided until new ring has been used for 7 consecutive days Follow up pregnancy test
414
How long does a patch CHC need to be out to be detached for EC and 7/7 additional precautions?
48hrs or more
415
How long since last patch CHC use is considered late restarting after HFI?
8 or more days
416
If a patch CHC is detached for 29hrs, what should the woman be advised?
No EP or EC
417
If a patch CHC is detached for 50hrs, what should the woman be advised?
If week one EC if UPSI in HFI or week one and F/U PT EP 7/7 IF week 2-3 no EC, EP 7/7. if unscheduled removal ≥48 hours occurred in the week prior to a scheduled HFI, omit the HFI
418
What is the link to depression and CHC?
No causal link, although individual JAMA 2016 article RR COC 1.2 RR Patch 2.0 RR ring 1.6
419
% BTB in first 3/12 use of CHC
20%
420
vomiting within how long of pill taking is considered unacceptable
<3 hours
421
Describe the different ways to take chc
Traditional 21/7 Shortened HFI 21/4 Tricycle 63/4-7 HFI Bleed led - take until spotting 3-4/7, then HFI 4-7/7 Continuous - continue regardless of bleeding
422
Benefits of tailored CHC use?
Less bleeding days (good for HMB/dysmen LEss hormone withdrawal SE Less risk of escape ovulation (as less follicular activity in shorted HFI)
423
which oral contraception method may increase potassium and in what situations
drospirenone containing oral contraception particularly in renal impairment and potassium sparing diuretics
424
a 19yo is taking drospirenone CHC for contraception and acne, she has no CI to CHC. Unfortunately her ance is not controlled and she has had several courses of cyproterone containing chc with no improvement, dermatology offer her isotretinoin - what caution should be discussed and is monitoring required?
Should be strangely advised against becoming pregnant, ideally switch to a larc or chc and condoms. Also lipid monitoring as CHC and retinoids together may worsen lipids.
425
What needs to be considered for a patient on tacrolimus following a renal transplant and CHC
Ideally switch to progestin only as CHC increased BP likely in renal patients, if remaining in CHC tacrolimus levels required as EE may increase.
426
What is the concern about lamotrigine and CHC?
Levels reduced by CHC, then in HFI may increase and cause toxicity
427
what should a woman be advised when starting rifampicin as part of TB treatment with respect to her CHC contraception?
If on implant/pop or CHC should switch to depo/ius/iud If short term (~<2/12) use could use condoms and for 28/7 after finishing course Occasionally 70mcg EE (ie double dose CHC) under expert guidance but preg risk possible and VTE risk ++
428
What % women return to ovulation within 90/7 of discontinuing CHC
98.9%
429
Why is BTB more common in the first 3/12 of use
Takes 3/12 for ovarian activity to be suppressed fully - although anovulatory within 7/7 use. Background ovarian activity = hormone fluctuations = BTB
430
Are women using 20mcg EE CHC more or less likely to experience BTB
More OR 1.56 compared to 30mcg.
431
Explain the steps and checks for a new CHC starter?
Assess eligibility BMI/age/smoking/medical hx/FHx (VTE/MI/breast ca) Medications (drug interactions) STI and pregnancy risk cx screening previous contraception experience Discuss risks and benefits and alternatives inc LARC How to take (inc tailored use), time to effect, missed pills (and D&V) EC Emergency supply via pharmacy/online services GP and ISHS also able to give BMI and BP 12/12 supply and annual r/v
432
Explain the steps and checks for a new CHC r/v?
Assess eligibility Any changes to hx/meds/fhx BMI and BP Compliance Side effects Discuss LARC
433
what is the first line CHC and why
30mgc EE and LNG cheap Good cycle control lower VTE risk suits 70% users
434
What altitude is considered high enough to consider stopping/swapping from CHC
>4500m for >7/7
435
What is considered a long haul flight and what is the VTE risk on one
>12hrs 1/560 risk
436
Advice for women using chc going on long haul flights>
Can continue Stay mobile and hydrated Red flags for VTE (TEDS not recommended)
437
How long before surgery should CHC be stopped and what type of surgery?
Major surgery with prolonged immobilisation Stop 4/52 before and restart 2/52 after fully mobile.
438
When discussing risks and benefits for CHC, what symptoms would you want a patient to report urgently and non-urgently?
Urgent: SOB/calf pain/swelling - PE/DVT Less urgent : New migraine New breast lump Persistent BTB
439
What UKMEC 4s are there for CHC (There are ~20!!)
Post partum and breastfeeding 0-6 weeks Post partum and not breastfeeding with VTE risks 0-3 weeks >35yo and smoking >15/day Vascular disease Hx of VTE Current VTE surgery with prolonged immobilisation Known thromboembolic mutation (factor V leiden/protein c/s deficiency anti-thrombin deficiency) BP >160/100 Current stroke Previous stroke Complicated valvular or congenital heart disease AF Cardiomyopathy with impaired cardiac function Migraine with aura (unless >5 years since) current breast cancer SLE with lupus antibodies severe decompensated liver cirrhosis Hepatocellular carcinoma Hepatocellular adenoma
440
what UKMEC 3 to CHC can you list (there are >20!)
Post partum and NOT breastfeeding 0-3 weeks with no other VTE risks Post partum and NOT breastfeeding 3-6 weeks with other VTE risks >35yo smoking <15/day >35yo stopped smoking <1 year ago BMI >35 BMI >35 after bariatric surgery Complicated organ transplant Controlled HTN BP >140/90 FHx VTE <45yo Immobility (eg wheelchair user) Multiple CVD risk factors Migraine without aura developed on CHC Migraine with aura >5years since migraine undiagnosed breast symptoms BRCA carrier past ca breast retinopathy/neuropathy/nephropathy Vascular disease Current gallbladder disease gallbladder disease medically tx COC related cholestasis Initiation whilst acute or flare hepatitis
441
a 26yo attends for EC, she is well but had a kidney transplant and takes immunosuppressants including mycophenolate - what can you provider her with if she's not on any contraception and <5/7 of the only UPSI this cycle?
IUD first choice LNG double dose ad MMF thought to reduce LNG levels UPA CI
442
What is virchow's triad
stasis, hyperviscosity, endothelial injury - resulting in increased clot formation
443
How long after solid organ transplant should pregnancy generally be avoided for?
1 year
444
if a woman is on TNF-α inhibitors (e.g. infliximab, adalimumab) to control chron's disease what should she be advised with respect to pregnancy
avoid for 6/12 after discontinuing TNF-α inhibitors
445
if a man is on mycophenolate mofetil for chron's disease what should he be advised about pregnancy planning?
Avoid 3/12 after discontinuing
446
if a woman is on mycophenolate mofetil for chron's disease what should shebe advised about pregnancy planning?
avoid 6/52 after discontinuing
447
if a woman is on methotrexate for rumatoid arthritis what should she be advised about pregnancy planning?
avoid 3/12 after discontinuing
448
if a man is on methotrexate for rhumatoid arthritis what should he be advised about pregnancy planning?
avoid 3/12 after discontinuing
449
if a woman is taking sulphasalazine for chron's disease what should she be advised about pregnancy planning
ok to conceive but have 5mg folic acid as sulphasalazine interferes with absorption.
450
regarding conception women with IBD should be advised what about disease activity and planning a pregnancy
if disease activity is low at time of conception if is likely to be low in pregnancy but if uncontrolled at conception likely to be uncontrolled in pregnancy.
451
which antihypertensive has been shown to reduce the effect of estrogen and progestogen?
Bosentan
452
regarding contraception and IBD what should be considered about absorption
if absorption poor (esp in chron's) consider non-oral
453
Women with obesity who become pregnant face an increased risk what conditions?
gestational hypertension, diabetes, pre-eclampsia, caesarean delivery, postpartum haemorrhage, and fetal complications such as growth restriction, macrosomia, neural tube defects, and stillbirth
454
a woman seeks contraception, she is 28 and fit and well apart from a prolactinoma. She takes cabergoline for this and her prolactin levels are well controlled. You review he late MRI head the prolactinoma is reported 8mm in size. Which methods of contraception can she use assuming not other CI to any method and are there any special considerations to make/investigations/monitoring?
Microprolactinoma can use all methods including CHC. Prolactin levels should be monitored and share info with endocrinology.
455
At what size prolactinoma is CHC best avoided according to FSRH guidelines?
>10mm
456
do dopamine agonists used in the treatment of prolactinoma interact with contraception?
No
457
when initiating contraception for a woman with a prolactinoma what should be monitored
Prolactin levels and inform endocrinology of use, d/w endocrinology if uncertain or labile prolactin levels.
458
absorption considerations in a person with an eating disorder
oral contraceptives may be less effective is vomiting or laxative use.
459
a woman attends for STI screening with amenorrhea 8/12, she has a BMI os 17/5 and admits to restrictive eating - she is on the waiting list for treatment. She has a new RMP of 6/52 and they last had sex without condoms 2/7 ago and multiple times in te last 6/52. Does she need contraception and EC?
Yes, amenorrhea doesn't mean infertility
460
What % of people with anorexia have osteopenia and osteoporosis
osteopenia 90% osteoporosis 40%
461
a trans man 25yo presents for sti screening, he has a RMP of 2/12 and they have condomless anal and occasional vagianl sex. He has not had any gender reassignment surgery but takes testoesterone and GnRH analogues . Does he need to use contraception? What would you recommend
yes testosterone and GnRHa are not contraceptive. Avoid CHC as EE with counteract the testosterone, discuss his preferences for amenorrhea - POP or IUS are good options if examination is acceptable for him - may need some vaginal local oestregen and should have smears still as has a cervix.
462
a women 22 with a BMI of 38 requests CHC, how would you approach discussion of her weight and the risks/benefits for CHC
CHC is a UKMEC 3 when BMI >35, should offer progestin only methods. To discuss weight ask her permission first and dicuss risks in third person I would like to talk about weight with you, would that be ok? Some methods of contraception including CHC have some risks attached to them such as increasing the change of clots in the legs or lungs and stroke> We also know that people with a BMI over 35 have an increased risk of these without chc. With CHC the risk is higher and not very safe therefore we don't recommend it but have safer options which I would like to discuss with you.
463
orlistat and pop or coc what do you need to consider?
absorption