A member asked:

First month of junel fe 1/20, on the last active pill day had unprotected sex. took plan b the next day and haven't gotten my period 4 days later. ?

A doctor has provided 1 answer

About Plan B...: Plan B can alter the menstrual-type bleeding for the cycle in which Plan B was taken, and sometimes the next cycle too. One should be sure to check a home pregnancy test about 3 weeks after sex, because Plan B works most of the time, but not all the time.

Answered 12/26/2015

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