Emergency Contraception Flashcards
When is a COC classed as a missed pill?
12 hours late
What should be done if 1 COC pill is missed?
Take ASAP and continue remaining pills at usual time. No EHC or barrier required.
What should be done if 2 COC pills are missed?
Take missed pill ASAP (don’t double dose) and continue remaining pills at usual time.
HFI or day 1-7: EHC required
Day 8-14: no EHC. Continue taking as usual. Use barrier for 7 days
Day 15-21: no EHC: Continue taking as usual but omit HFI and continue taking next pack straight away. Use barrier for 7 days.
When is a POP class as missed?
> 3 hours late
12 hours late - desogestrel
24 hours late - drospirenone
What should be done if POP missed pill?
Take ASAP then continue at normal time.
Avoid UPSI/use barrier method for 2 days, or 7 if on drospirenone.
What are the options for emergency contraception?
Cu-IUD
Ellaone - ulipristal acetate
Levonelle - Levonorgestrel
Considerations for EC?
Age - referral and licensing
Time since UPSI
Stage of cycle - within 24h of ovulation and after EHC will not work.
Timing of missed pill
Generally, when does ovulation occur?
14 days before next period
How does Cu-IUD work?
Inhibits fertilisation by its toxic effects which cause reduced motility and viability of sperm and reduced viability and transport of ova. If fertilisation does occur, the local endometrial reaction resulting from the presence of Cu-IUD prevents implantation.
How long can IUD be used for EC?
Within 5 days (120 hours) after UPSI in a cycle or within 5 days of the earliest estimated date of ovulation (14 days before next period), whichever is later.
How does ellaOne work for EC?
By inhibiting or delaying ovulation by bind to the human progesterone receptor and suppressing the luteinizing hormone surge.
How long can ellaOne be given for EC?
120 hours
How does Levonelle work for EC?
by inhibiting ovulation, theyrby delaying or preventing follicular rupture and causing luteal dysfunction.
How long can levonelle be given for EC?
72 hours
Counselling for IUD EC?
Consider STI test
Not suitable if have STI, PID, or irregular vaginal bleeding.
Doesn’t use hormones
Provides long-term contraception
Can be painful when being inserted/removed.
Can cause some period-like pains, irregular bleeding, heavier periods.
Risk of infections such as thrush