How effective is Plan B?
![](https://www.singlecare.com/blog/wp-content/uploads/2020/12/How-effective-is-Plan-B.png)
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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Emergency contraception pill Plan B is 30% more effective when taken with this drug, new research shows
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How Effective is Plan B? Experts Discuss - GoodRx
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After Plan B: How to Tell if Your Morning-After Pill Worked
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Understanding Plan B: How Emergency Contraception Separates Itself From Routine Birth Control, Prevents Pregnancy
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Does Plan B Always Work? Morning-After Pill Q&A with Experts
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What to expect when you take Plan B®
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What the Heck Are High-BMI Women Supposed to Do About Emergency Contraception?
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How Effective is Plan B? Experts Discuss - GoodRx
![](https://arkansasbirthcontrol.org/sites/default/files/2022-05/Plan%20B.jpg)
Emergency contraception