Birth control pills are a kind of [emergency contraception] for women to prevent unwanted pregnancy. Emergency Contraception pills are also called "Morning-After Pill".
Birth control pills contain synthetic (artificial) versions of the female hormones.
The first type of emergency contraceptive pill contains a hormone called progestin.
The second type of emergency contraceptive pill contains two hormones called estrogen and progestin. These are called combination pills. Most combination pills come in either a 21-day pack or a 28-day pack. This birth control mainstay is still 99% effective against pregnancy when taken around the same time every day.
Another kind of emergency contraceptive pill contains small doses of mifepristone. This pills is are highly effective.
Any type of birth control pill works best when it is taken every single day at the same time of day. The pill works by preventing ovulation and Makes cervical mucus thicker. This keeps sperm from getting to the eggs.
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