Plan B: Plan B is 95% effective taken within the first 24 hours after unprotected intercourse.The effectiveness falls the longer you wait to 85% at 72 hours.It does cause irregular bleeding that is not your regular period.Exactly what the bleeding is like varies.The important thing is that you don't continue to rely on it but start a reliable method of contraception and use condoms to decrease the STDrisk
Answered 12/26/2014
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A doctor has provided 1 answer
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