LARC Contraception Flashcards

1
Q

How many babies are born every 2 seconds on the planet?

A

9

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2
Q

How many people die every 2 seconds on the planet?

A

3

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3
Q

What are the ideal features of a perfect contraception?

A
Effective
Availability
Easy to use
Safe, free from side effects
Cheap
Reversible
Not memory reliant
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4
Q

What is the most common method of contraception?

A

Withdrawl

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5
Q

What 5 things are part of natural family planning?

A
Basal body temperature
Cervical mucous
Cervical position
"Standard" days
Breast feeding
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6
Q

Describe the cervical mucous post ovulation

A

Thick and sticky

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7
Q

Describe how the cervical mucous is during ovulation

A

Thinner, watery and stretchy

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8
Q

What is the cervical position when fertile?

A

High in the vagina, soft and open

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9
Q

What is the cervical position when less fertile?

A

Low in vagina, firm and closed

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10
Q

What days in the cycle are the most fertile?

A

In a 28 day cycle… day 8-18

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11
Q

What is the criteria of breast feeding as a contraception?

A

Exclusively breast feeding
Less than 6/12 post natal
Amenorrhoeic

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12
Q

How effective is breast feeding as a contraception?

A

98%

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13
Q

What do you use to assess the patient before prescribing contraception?

A

UKMEC 2016 - UK Medical Eligibility Criteria

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14
Q

What are the 4 categories of the UKMEC?

A
  1. No restriction for use of contraception method
  2. Where advantages outweigh negatives
  3. A condition where use gives more disadvantage
  4. A condition that presents as an unacceptable risk if contraception used
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15
Q

What drugs can be used as the contraceptive pill?

A

Medroxyprogesterone acetate
(Depo Provera)
Sayana

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16
Q

How does the contraceptive pill work?

A
Inhibits ovulation
Given every 13 weeks
Will last 14 days
Thickens cervical mucous
Effects the endometirum
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17
Q

What examinations are done prior to contraception prescribing?

A

Record BP and BMI
Check smear test status
Consider osteoporosis risk factors

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18
Q

When do you start Depo?

A

Up to and including day 5 of the cycle without need for additional contraception

19
Q

What points are important to remember?

A

Conception most likely if UPSI on day ovulation OR preceding 24hrs
Fertile period is highly variable

20
Q

What happens when Depo is started beyond day 5?

A

Needs to use condoms or abstain for 7 days

21
Q

What criteria is taken into account when deciding if the person is really ‘reasonably certain’?

A

No sex since last period
Consistently using reliable contraception
<7 days since last normal period
< 4 wks post partum (not breast feeding)
Fully breastfeeding, amenorrhoeic and <6m post partum
Negative pregnancy test and >3 wks since UPSI

22
Q

What do you do if pregnancy can’t be excluded?

A

Pregnancy test after 3 weeks and give depo thereafter

23
Q

What are side effects of depo?

A

Weight gain
Delay in return to fertility
Irregular bleeding
Osteoporosis risk

24
Q

Is VLARC good?

A

Most cost effective

25
Q

Describe the LARC - IUD?

A

T-shaped
Non-hormonal
Contain copper and plastic but can contain silver

26
Q

What is the gold standard of a copper coil?

A

380mm2 copper

27
Q

How does the coil work?

A

Prevents fertilisation

Inflammatory response in endometrium

28
Q

What is IUS?

A

T shaped device with elastomere core
52mg LNG-IUS
ALso, 13.5mg

29
Q

What drug is present with IUS?

A

Levanorgestrel

30
Q

How does IUS work?

A

Effects implantation
Endometrium rendered unfavourable for implantation
Also effects cervical mucous and pre-fertilisation

31
Q

What are the contraindications of the IUD and IUS?

A
Current pelvic infection
Abnormal uterine anatomy
Pregnancy
Sensitivity to any of constituents
Gestational trophoblastic disease when b-HCG levels are high/abnormal
Endometrial/cervical cancer
32
Q

What examinations are performed?

A

PV to check uterine size and position

BP and pulse

33
Q

When can an IUD be fitted?

A

Within first 7 days of period
Up to 5 days after UPSI for emergency contraception
Up to 5 days after predicted ovulation date

34
Q

When can an IUS be fitted?

A

Within first 7 days of a period

Not used for emergency contraception

35
Q

What are side effects of IUD?

A
Heavy, prolonged menses
Pain/infection PD within first 20 days
Perforation
Expulsion
Higher post 2nd trimester abortion, post natal
Ectopic risk
36
Q

What are side effects of IUS?

A
Lighter, less frequent bleeding
Pain/infection in first 20 days
Perforation
Expulsion
Ectopic risk
Failure
37
Q

What is the implant?

A

Single, non biodegradable

Subdermal rod

38
Q

What does the implant contain?

A

68mg ENG
releases 60/70ug per day in weeks 5-6
25-30ug per day at end of 3rd year use

39
Q

How does the implant work?

A

Inhibition of ovulation

Effects endometrium and cervical mucous

40
Q

When can the implant be fitted?

A

Within first 5 days
Up to day 5 post 1st/2nd trimester abortion
On or before day 21 post partum

41
Q

What are side effects of the implant?

A
Irregular bleeding
Weight gain
Acne
Nerve damage/vascular injury
Deep insertion
42
Q

What are health concerns regarding the implant?

A
No know risk on:
Bone mineral density
CV risk
VTE risk
MI risk
43
Q

What drug interactions may the implant have?

A

Enzyme inducers

!Always check BNF!