What you need to know to
Women have turned to Plan B One‑Step for years when their birth control plan A didn’t work out. Plan B is emergency contraception that helps prevent pregnancy when taken within 72 hours of unprotected sex or birth control failure. We recommend that stores carry Plan B right on the shelf so that it’s available to anyone who needs it. Regardless of where women buy it, there’s no prescription or ID needed—and no age requirement, either.
What Plan B is:
What Plan B isn’t:
Did you know?
Unlike other emergency contraception options, women can and should resume their regular hormonal birth control immediately after taking Plan B.
Why? Plan B contains the same active ingredient as many popular birth control pills—levonorgestrel—just at a single, higher dose.View all FAQs