Yes, but diminishing: Studies have shown that women can still benefit from using Plan B as late as 4 days after unprotected sex. It's better than not using is you're worried about pregnancy. The sooner you take Plan B after unprotected intercourse, the better, but taking it is better than not! hope that helps!
Answered 6/30/2014
5k views
Maybe no: It is most effective within 72 hours.
Answered 8/15/2017
4.9k views
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A doctor has provided 1 answer
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