contraception Flashcards

1
Q

patch - how is it used?

A

wear daily for 3 weeks
change weekly
4th week patch-free - bleed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what happens if you delay changing patch at end of week 1 or 2?

A

<48h delay - change + that’s it

>48h - change + condoms for 1 week. if sex in last 5d consider emergency cc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what happens if you delay changing patch at end of week 3?

A

remove + put new one on usual start day next week + that’s it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what happens if you delay starting new patch at end of week 4?

A

condoms for 1 week

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

COCP - pros

A

> 99% effective
quickly reversible
periods regular, lighter, < painful
< risk ovarian, endometrial, colorectal ca

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

COCP - cons

A

forget
no STI protection
> risk VTE / stroke / IHD, breast + cervical ca
SEs - headache, nausea, breast tender

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

COCP - contraindications to check

A
smoking
obesity
migraine
epilepsy
hx VTE/stroke
breastfeeding <6wk
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

UKMEC criteria for smoking for COCP

A

2 - <35y
3 - >35y + <15/d
4 - >35y + >15/d

progesterone only are all 1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

progesterone-only contraceptives - CV risks?

A

none - UKMEC1 even if smoker

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

obesity - UKMEC criteria for COCP

A

increased VTE risk

2 - BMI 30-34
3 - BMI 35+

all other cc are UKMEC1 for obesity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

migraine - UKMEC criteria for COCP

A

4 - migraine with aura
3 - migraine without aura, continued prescribing
2 - migraine without aura, initiation

2 - progesterone only methods eg POP, implant, injection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

epilepsy - contraception

A

consistent condom use as teratogenicity of meds

injection, IUD + IUS are all UKMEC 1 regardless of meds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

COCP - UKMEC 3 criteria

A
> 35 + smoke < 15
BMI > 35
FH VTE in 1° relatives < 45y
HTN - controlled
immobility
BRCA gene
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

COCP - absolute contraindications

A
> 35 + smoke > 15
migraine + aura
clot hx / predisposition
breastfeeding < 6 wk PP
HTN uncontrolled
breast cancer
post-op + prolonged immobilisation
~diabetes
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

COCP - advice on contraception when pill is started for first time. other advice?

A

started in 1st 5d - no need for extra cc
after - condoms for 7 days

sex in break is only safe if next pack started on time
beware vomiting
STI risk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

COCP - missed pill

A

1 pill - take asap, no extra cc
2+ - take one asap, condoms 7d. emergency cc indications:
week 1 - if UPSI in pill free interval or week 1
week 2 - no need
week 3 - no need but b2b next pack

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

how does COCP work

A

inhibits ovulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

how does POP work

A

thickens cervical mucus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

POP - common SE

A

irregular bleeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

progesterone injection - how does it work

A

inhibits ovulation

also thickens cervical mucus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

implant - how does it work

A

inhibits ovulation

also thickens cervical mucus

22
Q

implant - common SE

A

irregular bleeding

23
Q

IUD - mechanism

A

decreases sperm motility + survival

24
Q

IUS - mechanism

A

prevents endometrial proliferation

also thickens cervical mucus

25
IUS - SEs + complications
irregular bleeding initial frequent light bleeding later - intermittent light menses, poss amenorrhoea
26
emergency contraception - mechanism
levonorgestrel/ulipristal - inhibit ovulation | IUD - toxic to sperm + ovum, inhibits implantation
27
young people + contraception - advice
STI test 2 + 12 weeks after UPSI long acting poss better in case forgetful implant best - injection poss not good for BMD + IUD/D = UKMEC2 < 20y
28
levonorgestrel (morning after pill) - how effective? SEs? key piece of counselling?
84% effective repeat if vomit in 2h SEs rare - occasional disturbance of menses, 1% vomit
29
ulipristal acetate (ellaone) - how does it work? anything to be aware of?
inhibits ovulation poss reduces efficacy of hormonal contraception - re/start 5d after + use condoms in between don't breastfeed for a week
30
IUD as emergency contraception - when to insert? how effective? method of action?
99% effective ~inhibits fertilisation / implantation in 5d. if > 5d, can give up to 5d after ovulation date. ~prophylactic abx if ++risk STI if not wanted long term then keep til next period
31
implant - cc after insertion
if inserted after day 5 - condoms for a week
32
implant - SEs
``` irregular / heavy periods progestogen effects: headache nausea breast pain ```
33
implant - contraindications
UKMEC 2 - initiation if IHD/stroke UKMEC 3 - continuation if IHD/stroke, suspicous vaginal bleeding, hx BC, liver problems UKMEC 4 - current BC
34
the injection - where's it given?
IM into bottom
35
the injection - disadvantages + SEs
irreversible can take 1y to return to fertility irregular bleeding weight gain ~osteoporosis
36
the injection - how long last?
12wk but next dose can be given at 14wk without need for condoms
37
IUD + IUS - how effective?
> 99%
38
IUS - when can it be relied upon after insertion?
7 days
39
IUD - when can it be relied upon after insertion?
immediately
40
intrauterine devices (IUS + IUD) - risks
2/1000 perforation small increased risk of PID in first 20 days expulsion risk 1 in 20
41
post partum contraception - when needed?
day 21 | emergency cc not needed before this
42
post partum contraception - POP - when start? extra precautions?
can start whenever use condoms 2d after d21 fine to breastfeed
43
postpartum contraception - COCP - contraindications, things to be aware of, when to start
if start d21 - works immediately if start >d21 - condoms 1wk UKMEC4 - <6wk pp + breastfeeding (UKMEC2 - 6wk-6mo) may ↓ milk
44
POP - starting
day 1-5 - no condoms needed | day 6+ - condoms 2 days
45
POP - missed pills
<3h - fine >3h - take asap, condoms 2 days same apply for D+V 12h not 3 if cerazette (deogestrel)
46
emergency cc history - structure
``` UPSI - who, when, consensual Cc - why failed Menses - LMP, cycle length Pregnancy - any chance (as ecc CI)? had ecc this cycle? STI - symptoms Smears ``` ``` ROFS Reasons - why wanted, impact of baby Options Future cc - can start asap but condoms 14d STI risk - advise test ``` ice, leaflet, return in 3w for preg test
47
levonelle - when, drug, method, effectiveness, SEs, CIs, extra info
72h levonorgestrel inhibits ovulation + disrupts implantation 1d 95%, 2d 85%, 3d 58% SEs - N, V (3h - repeat + domperidone OR IUD), breast pain, bleed (now, later, period), headache, breast/pelvic pain CI - less effective if enzyme drugs extra - abstain till bleed/7d COCP/2d POP/ideal 2w. if period >1w late/light/concerned - preg test 3wk post pill
48
ellaone - when, drug, method, effectiveness, SEs, CIs, extra info
5d ulipristal acetate inhibits ovulation + thins endometrium 98% CI - <18y, already used this cycle, asthma/liver disease ++, less effective if enzyme drugs SEs - N, V (3h - repeat + domperidone OR IUD), bleed (now, later, period), headache, breast/pelvic pain extra - abstain till bleed/7d COCP, 2d POP, ideal 2w. period >1w late/light/concerned - preg test in 3w
49
IUD as emergency cc - when, method, effectiveness, SEs, CIs, extra info
5d prevents fertilisation 99% SEs - dysmenorrhoea/menorrhagia, pain on insertion (ibuprof), infection, 1/1000 perf, 1/10 - vasovagal, 5% expulsion CIs - pelvic infection, PID in last 3mo, copper allergy extra info - can remove in 4w. check up in 6w
50
contraception counselling - structure
person, periods, STI, health + baby ``` PPBC partner - who, age periods - regularity, pain, heavy, length breastfeeding + pregnancy contraception hx ``` PMH - BP, BMI, STIs, VTE/stroke/MI DH - allergies FH - ov/br ca, VTE, migraine + aura SH - smoke describe a type: ICE + preference - memory, reversibility mode, course, +ves and -ves extras: OCP - review 3mo. no protection STIs