A member asked:

7days late in my period, took plan b twice in this cycle after unprotected sex. pregnancy test 2days ago and was negative.have cramps & whit discharge?

A doctor has provided 1 answer

3 wks after: Plan B can disrupt the menstrual cycle. Plan B is 95% effective in preventing pregnancy if taken within 24 hours of unprotected sex: 89% effective if taken within 72 hours. Home pregnancy tests done 3 wks after unprotected sex is advisable. Repeat home pregnancy test within a week if still not having menses.

Answered 4/8/2017

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