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Women's Health

Early Menstrual Cycle

01/14/2010

Question:

I started my period on December 24. I then had unprotected sex on January 1st and took the morning after pill saturday january 2nd. It is now only 16 days into my cycle and I got my period! What does this mean? Is it due to the morning after pill??

Answer:

This may be a result of the emergency contraception that you used. It can cause irregular bleeding. You should perform a pregnancy test to make sure that you are not pregnant and repeat this test in two weeks.

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Response by:

Lisa M Keder, MD, MPH Lisa M Keder, MD, MPH
Clinical Associate Professor of Obstetrics & Gynecology
College of Medicine
The Ohio State University