Will birth control pills work 15 days after sex?

Birth control pills are taken daily. There are usually 28 pills in a packet. 21 of them are medicated and 7 are placebos. You will have your period during the week you are taking the placebos. Emergency contraception, such as Plan B, does not provide future contraception. read more

Levonorgestrel EC pills. EC pills work by preventing or delaying ovulation and preventing sperm from fertilizing the egg. You can use EC right away or up to five days after sex. The sooner you use it, the better it works. There are a bunch of EC pills currently on the market in the U.S. that are made with the hormone levonorgestrel. read more

Emergency IUD insertion can also be used to prevent a pregnancy after unprotected sex. Copper IUD insertion is the most effective method of emergency contraception. If the copper IUD (Paragard) is inserted within 5 days after unprotected sex, it is 99% effective in preventing pregnancy. read more