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.

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How Emergency Contraception Actually Works

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Is Plan B Less Effective in People Who Weigh More Than 165lbs?

Is Plan B Less Effective in People Who Weigh More Than 165lbs?

Can you take Plan B while on the birth control pill?

Is it time for Plan B?

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