Emergency Contraception Flashcards
What is most effective emergency contraceptive?
IUD copper coil
To fit IUD as emergency, what criteria must patient meet?
Must be within 5 days of earliest possible date of ovulation OR 5 days after single episode of sex to be sure there is no implanted pregnancy already
What is EllaOne?
ulipristal acetate - progesterone receptor modulator
How does EllaOne work?
Blocks progesterone receptors so stops LH surge and delays ovulation
EllaOne efficacy goes down the later you take it. Up to how many days after unprotected sex can you use EllaOne?
5 days
Where
pharmacy, out of hours, GP, sexual health clinics, A&E
When can you not prescribe EllaOne?
Can’t use progesterone immediately afterwards for 5 days or immediately prior. So can’t give to patients who take pill or to those you want to give Depo straight after
What is Levonelle?
big dose of progestogen hormone - levonorgestrel
Up to how many days is Levenelle licensed for use after unprotected sex?
3 days - most effective (around 90%) in first 24 hrs
How does levenelle work?
Inhibits ovulation
If you weigh more than 70kg can you take Levenelle?
Yes but need to take double dose
If you weigh more than 70kg can you take Levenelle?
Yes but need to take double dose
Neither EllaOne or Levonelle is effective after ovulation. Which is slightly more effective overall?
EllaOne
When are oral contraceptives not effective as emergency?
Post-ovulation, vomit after taking or on enzyme-inducing meds
