A 21-year-old female asked:
hello i was supposed to start my period today but i didn't. i took a plan b pill 2 weeks ago and had unprotected sex three days before my period. my b?
1 doctor answer
Dr. Robert Kwok answered
32 years experience Pediatrics
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 on Apr 13, 2017
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