Plan B can cause side effects like irregular bleeding and is 95% effective if taken within 24 hours after unprotected sex.

Plan B is an emergency contraception pill that decreases in effectiveness the longer you wait to take it after unprotected sex.

We asked experts how it works, when you should take it, how much it costs and more. By Nina Agrawal Emergency contraceptives like Plan B, also known as the morning-after pill, are a safe and effective ...

Medically reviewed by Renita White, MD Plan B is safe to take multiple times to prevent an unplanned pregnancy after ...

The anticipation of a Republican-controlled government with Donald Trump serving a second term as president has left some women fearful over access to reproductive healthcare. On the day after Trump's ...

If the emergency contraception plan b messed up your cycle for months, here's when to expect things to get back to normal, per an OB/GYN. While totally safe, one of Plan B’s main (albeit temporary) ...