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A member asked:
How effective is plan b the second time you take it?
A doctor has provided 1 answer
Having taken Plan B: Previously does not make it less effective. Plan b one-step can reduce your risk of pregnancy by up to 95% is used within 24 hours of sex. It is up to 89 percent effective when taken within 72 hours (three days) after unprotected sex.
Answered 9/20/2017
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