Could Plan B mess up my periods timing?
Plan B® is emergency contraception. Emergency contraception is a backup method for preventing pregnancy and is not for routine use. Plan B® can reduce your chance of pregnancy after unprotected sex. For example, if you were using a condom and it broke, if you forgot to take 2 or more of your birth control pills this month, or if you were sexually assaulted, Plan B® may be a good option for you. It is important to know that Plan B® is not RU-486 (the abortion pill). Because Plan B® is used to prevent pregnancy, it will not work if you are already pregnant, and it will not affect an existing pregnancy. Plan B® is FDA approved — it contains the hormone levonorgestrel, the same ingredient found in many birth control pills. The difference is that Plan B® contains a larger dose of levonorgestrel than the amount found in a single birth control pill. And, unlike many birth control pills, Plan B® does not contain any estrogen. Plan B® works better the sooner you take it. Remember that you have
