W10_08 Contraception Flashcards
what are the top two most popular contraception methods?
combined oral contraceptive pill (28%);
condoms (21%)
what’s the pearl index?
a proportion of the contraception failure rates among women who use it over 1 year of use
what are some non hormonal methods of contraception?
fertility awareness;
lactational amenorrhea;
barriers/spermicides;
copper IUD
what’‘re three ways of delivering estro/progest-?
pill, patch, or ring
what is depomedroxyprogesterone acetate?
long-acting injection (3 months)
what is levonorgestrel IUD/ Minerva?
IUD w/hormone
what is implanon?
rod, implanted under skin. Contraceptive for 3 years
how long can sperm live in the vagina?
5 days
what’s the fertile time?
6 days per cycle
what’s the rule of 4s of lactational amenorrhea contraception?
4 weeks postpartum and not breastfeeding? Can get pregnant;
4 months PP? if 4 hours breastfeeding during the day and 6 hours at night, then no pregnancy
what kind of hormonal contraception for women who are lactating?
progestin-only (doesn’t affect milk production, unlike estrogen does)
what’s the failure rate of spermicides?
6-25%
what’s nonoxynol-9?
spermicide. Inserted 10-30 mins before intercourse
what increases the risk of barrier contraceptives?
frequent intercourse;
age<30;
previous contraception failure
what’s the failure rate of male condoms?
3-14%;
2% if spermicide added