The #1 OB/GYN‑recommended emergency contraception brand*
Plan B One‑Step helps prevent pregnancy before it starts. Plan B should be used as directed within 72 hours of unprotected sex.
The sooner it’s taken, the better it works.
*Survey of 1000 OB/GYNs, December 2018.
Effective emergency contraception
Plan B is safe and effective emergency contraception that women can use when their birth control plan A doesn’t work out.How Plan B works