Emergency Contraception Flashcards
What percentage of pregnancies in women <25 years old end in abortion?
43.9%
Mechanism of levonorgestrel
Delays or inhibit ovulation early in the cycle prior to LH surge
Levonorgestrel delays ovulation for about ___ days, so you want to use barrier method for ___ days after taking ECP.
2-3 days; 7 days (beyond the 5 days of sperm lifespan)
What is the expected pregnancy rate? and the average effectiveness of ECP in percentages?
Pregnancy rate is 4%; 50-60% effective
When do you need to use EC when on depo-provera?
If you it’s been more than 14 weeks since you’re last injection
When do you need to use EC when on progestin only pill?
If missed for more than 3 hours
When do you need to use EC when on combination OC?
1st week - missed pill for 1 day or more
2nd/3rd week - missed pill for more than 3 days
When do you need to use EC when on Evra patch?
1st week - detached for more than 1 day
2nd/3rd week - detached for 3 or more days
When do you need to use EC when on NuvaRing?
1st week - more than 3 hours
2nd/3rd week - 3 or more hours
What is the dose and regime for levongestrel as ECP?
0.75mg 2 tabs stat (or 1 tab q12h)
Which combination OC are used for ECP?
Alesse and Minorvral
What is the dose and regimen for combination OC as ECP?
EE 0.1mg + LNG 0.5mg or EE 0.1mg + Norgestrel 1mg
repeat in 12 hours
How long does it take for ECP to be absorbed?
1 hour
What dose of gravol would you recommend for antiemetic?
50mg
What is the Infant Act of BC?
<19 years of age can give consent to HCP without consent from parent