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A 18-year-old female asked:

I had unprotected sex on the 5th of this month which i think is around the time i ovulate but i took plan b on the 7th.my period is still missing. why?

1 doctor answer1 doctor weighed in
Dr. Charles Whiting
Obstetrics and Gynecology 28 years experience
Plan B: Emergency contraception can delay your period. So can pregnancy. You might want to do a home pregnancy test to make sure you are not pregnant. If not, you can assume your period was delayed by the emergency contraception. Best wishes!

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Last updated Aug 16, 2015

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