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.

How Effective is Plan B? Plan B Side Effects and W

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How Many Times Can You Take Plan B?

How Does Plan B Work, and Is It Always Effective?

How Effective is Plan B? Experts Discuss - GoodRx

How Effective is Plan B? Experts Discuss - GoodRx

The Morning After Pill: Why the Emergency Contraception Pill Fails

Emergency Contraceptives National Center for Health Research

How Effective Is Plan B? 95% If You Take It Within 24 Hours

Does Plan B expire? Yes, and it may be less effective if you take it

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

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