Nothing is 100%: Effective. Plan b one-step ; similar emergency contraceptives can reduce your risk of pregnancy by up to 95% if used within 24 hours of sex. According to planned parenthood when Plan B is taken 48 to 72 hours after intercourse the efficacy is 61%.
Answered 10/19/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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