Why is Plan B prescribed?
Plan B , Emergency contraception is intended to prevent pregnancy after known or suspected contraceptive failure or unprotected intercourse. Often called the morning-after pill, emergency contraceptive pills (ECPs) can be taken any time up to 72 hours after having unprotected sex. Plan B®Emergency contraceptive pills (like all oral contraceptives) do not protect against infection with HIV (the virus that causes AIDS) and other sexually transmitted diseases. How Well Does Plan B Work? About two out of 100 women will become pregnant even if emergency contraceptive pills were taken within 72 hours of having unprotected sex. Of course, this is an average figure and the chance of getting pregnant depends on when unprotected sex occurred during the monthly cycle and how soon after that ECPs are taken. Having unprotected sex during the fertile period (around the time of ovulation) is more likely to result in pregnancy and emergency contraception is more effective when taken as soon as possibl