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Phase 3a > Contraception > Flashcards

Contraception Flashcards

1
Q

How do combined contraceptives work

A
  • Inhibit ovulation
  • Oest and prog act on HP axis = reduce LH and FSH = no ovulation
  • Oest = endometrium proliferates and grows
  • Prog = prevents hyperplasia
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2
Q

Amenorrhoeic and starting COC

A
  • Start at any time
  • Additional contraception 7 days
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3
Q

Postpartum and COC

A
  • As long as no breastfeeding
  • Start day 21 postpartum
  • Contraception for 7 days
  • If BF = >6 weeks as above
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4
Q

Miscarriage/TOP and COC

A
  • Gestation <24 weeks, start in 5 days of surg/med TOP and no additionals
  • > 24w = as for postpartum
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5
Q

No regular contraception and COC start

A
  • Day 1 of menstrual cycle
  • No additional needed
    (same if 2-5 days)
  • If other time in cycle = barrier method 7 days
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6
Q

Starting COC after oral emergency

A
  • Levonorgestrel = immediately and 7 days
  • Ulipristal acetate = 5 days after and 7 days
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7
Q

Switch from POP to COC

A
  • Any time in cycle and 7 days
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8
Q

Vomit within 3hrs of COC

A
  • Take another pill asap
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9
Q

v/d more than 24hrs

A
  • follow instructions
  • barrier for 7 days
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10
Q

starting patch

A
  • day 1-5 cycle
  • no additional needed
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11
Q

unscheduled patch detachment for <48hrs

A
  • new patch asap
  • That no additional contraception is required if the patch was used correctly earlier in week 1 and the 7 days prior to the HFI.
    >48hrs
  • new patch asap
  • barrier for 7 days
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12
Q

Inserting IUS

A
  • days 1-7 cycle = no additional
  • any other time in cycle = 7 days
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13
Q

Postpartum IUS

A
  • within 48hrs (no additional) or from 4 weeks (7 days)
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14
Q

IUS after TOP

A
  • Post surgical abortion, insert the LNG-IUS at the end of the procedure.
  • Post medical abortion, insert the LNG-IUS any time after completion of the second part of the abortion
  • If the device is fitted after day 7 post-abortion additional
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15
Q

IUS emergency contraception

A

Do not insert the LNG-IUS until pregnancy can be excluded with a pregnancy test performed no sooner than 3 weeks after the last episode of unprotected sexual intercourse.

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16
Q

IUD post partum

A
  • 48hrs or 4 weeks
  • no additional for either
17
Q

IUD post TOP

A
  • no additional needed
18
Q

IUD post emergency

A
  • Insert the IUD within the first 5 days (120 hours) after the first episode of UPSI or within 5 days of the earliest expected time of ovulation (for example, on day 19 of a regular, 28-day cycle), whichever is later. No additional
  • Outside of the above criteria, do not insert the IUD until pregnancy can be excluded with a pregnancy test performed no sooner than 3 weeks after the last episode of UPSI.
19
Q

POP starting

A
  • Day 1-5 of cycle
  • No additional
20
Q

POP amennorhoea

A
  • 7 days additional
21
Q

post partum

A
  • up to 21 days post partum = no additional
  • Can be started any time after childbirth
  • After 21 days = 7 days additional
22
Q

POP after emergency

A

Levonorgestrel
- 7 days additional
Ulipristal
- 5 days after
- barrier for 7
Can start straight away

23
Q

Missed POP

A
  • Take a pill as soon as possible. If more than one pill has been missed, only one should be taken.
  • Take the next pill at the normal time. This may mean taking two pills in 24 hours (the missed pill and the next one at the usual time).
  • Avoid sexual intercourse or use a barrier method of contraception (such as condoms) for 7 days if taking drospirenone, or 2 days for all other POPs.
24
Q

Implant insertion

A
  • 1-5 cycle, no additional
  • after day 5 = 7 days
25
Q

Implant postpartum

A
  • Before 21 days = no additional
  • After 21 days = 7 barrier
26
Q

Levonorgestrel

A
  • Take asap
  • Within 72 hrs UPSI
  • double dose if BMI >26/70kg
  • Vomit within 3hrs = repeat
  • hormonal contraception can be started immediately after
27
Q

ulipristal

A
  • 30mg dose no later than 120 hrs after
  • may reduce effectiveness of hormonal
  • caustion if severe asthma
  • delay BF 1 week after taking
28
Q

Missed COC pill

A

1 pill missed
- Take the alst pill even if 2 pills in 1 day
2 or more missed
- take last pill
- Missed in week 1 = emergency contraception if UPSI
- Missed in week 2 after 7 days taking = no need emergency
- Missed in week 3 = finish pack and omit pill free interval

29
Q

Method most associated with weight gain

A

Depo provera

30
Q

POP missed pill

A
  • <3hrs late = no action required
  • > 3hrs late = take missed pill, continue rest of pack, extra precautions until re-established 48hrs
31
Q

What contraception is contraindicated in trans men undergoing testosterone therapy

A
  • COC or any containing oestrogen as can antagonize testosterone

Phase 3a (23 decks)

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