A 21-year-old female asked:
how effective is plan b taking it 36 hrs after unprotected sex? is it normal to get blowded from it as well even after a negative pregnancy test?
1 doctor answer
Dr. Timothy Raichle answered
22 years experience Obstetrics and Gynecology
Maybe: Planb is not 100% effective, but it is likely >95% effective at preventing pregnancy, so you need to check a pregnancy test. Breakthrough bleeding after using planb is common and is not your period. It also works to delay ovulation, so your next period might also be delayed. And yes, it could be associated with bloating.
Answered on Mar 22, 2014
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