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Take within 72 hours (3 days) after unprotected sex or birth control failure for maximum effectiveness (applies to both Plan B One-Step and Option 2).
Temporarily delays ovulation to help prevent pregnancy (applies to both Plan B One-Step and Option 2).
Will not work if you are already pregnant or affect an existing pregnancy (applies to both Plan B One-Step and Option 2).
Option 2 contains the same active ingredient as Plan B One-Step - 1.5 mg Levonorgestrel (applies to Option 2).
Should not be used as regular birth control (applies to both Plan B One-Step and Option 2).
Plan B One-Step Emergency Contraceptive, 1.5 Mg (1 Tablet) Plan B One-Step emergency contraception helps prevent pregnancy before it starts after unprotected sex or birth control failure. Plan B must be taken within 72 hours (3 days) after unprotected sex or birth control failure. The sooner it’s taken, the better it works. Plan B One-Step will not work if you are already pregnant and won’t impact an existing pregnancy Use as directed. Option 2 Levonorgestrel Tablet, 1.5 mg, Emergency Contraceptive, 1 Tablet Compare to the active ingredient of Plan B One-Step. Amazon Basic Care Levonorgestrel Tablet 1.5 mg is an emergency contraceptive that significantly decreases the chance you will get pregnant when used as directed. It is safe and effective for women to reduce the chance of an unwanted pregnancy that may occur if a contraceptive was used incorrectly or failed, or after unprotected sex. Levonorgestrel is the Number One OB/GYN Recommended Emergency Contraception OTC Active Ingredient in the US (of U.S. physicians surveyed by an independent market research firm). The sooner you take this backup birth control pill, the better it will work. Take this emergency contraception pill within 72 hours (3 days) after unprotected sex to prevent unwanted pregnancy. No prescription needed.