How effective is Plan B?

The morning-after pill Plan B is most effective (>97%) when taken within 24 hours of unprotected sex and 75%-89% effective if you take it within three days.
Taking Plan B at the appropriate time after unprotected intercourse can help prevent unwanted pregnancies.

Xiromed Emergency Contraceptive Pill for Women - 1.5 mg Levonorgestrel Tablet - Reduces Chance of Pregnancy After Unprotected Sex - Compare to Plan B One-Step - Take Next Morning : Health & Household

Plan B: How Many Times Can You Take It?

Plan B might be less effective for women over a certain weight, but it's not worthless.

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Ask the Expert: Plan B

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How Does Plan B Work?

How effective is Plan B? And other questions about emergency contraceptives

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