Plan B One-Step® Is
- A backup plan that helps prevent pregnancy from happening after unprotected sex or birth control failure and is not for routine use
- For use within 72 hours (3 days) after sex, but the sooner you take it, the better it works
- Contains levonorgestrel, the same ingredient used in many birth control pills—and it works in a similar way
- Just one pill, so you get what you need right away
