Plan B One-Step Emergency Contraceptive Tablet Plan B One-Step emergency contraception provides a reliable backup plan when you need it most. This single-tablet solution is designed to help prevent pregnancy when taken as directed within 72 hours (3 days) after unprotected sex or birth control failure. Your Emergency Backup Plan Available as a convenient single tablet, Plan B One-Step offers peace of mind when unexpected situations arise. The sooner it's taken, the better it works, making timely access crucial for maximum effectiveness. How It Works This emergency contraceptive works by temporarily delaying ovulation. It is NOT an abortion pill and will not work if you are already pregnant. Plan B One-Step is safe and effective when used as directed. Accessibility and Convenience Available for any woman who needs it with no age restriction, Plan B One-Step provides accessible emergency contraception without requiring a prescription or ID. This single-tablet format ensures you have what you need when timing matters most. #1 OB/GYN Recommended emergency contraception brand Must be taken within 72 hours (3 days) after unprotected sex Single tablet for complete treatment No prescription, age restriction, or ID needed Available in all 50 U.S. states Will not impact future fertility