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Can I use the Mirena IUD for my contraception if I have a bicornuate uterus? #1211/11

I am 23 years old and had my second baby 7 months ago. When I went to my doctor for my check-up, she asked me what contraceptive I wanted and I told her I wanted one that wouldn’t make me bleed. She suggested the Mirena IUD, but after having it fitted, I have read a few places that it is not suitable for someone with a bicornuate uterus (that's what I have). Other sources say it does work, but I’m confused. Can anyone give me any information on this?

Thank you!

As long as there is NOT a septum completely separating your two uterine cavities, it is my understanding that your Mirena will be very, very effective.


From Dr. Mimi Zieman: Bicornuate” technically means two separate horns, so if that were the case, you may not be protected.  You are right to distinguish that from a septate uterus, which could have a short septum and, essentially one cavity.”


To learn more about the advantages and disadvantages of the Mirena IUD, go to our website: www.managingcontraception.com and click on Choices.  You can also order this wonderful new educational book from our website or by calling 404-875-5001.  Do you have your copy yet?

Mimi Zieman, MD

Clinical Associate Professor of Gynecology and Obstetrics

Emory University School of Medicine

Atlanta, GA


Key Words: check-up, contraceptive, bleed, Mirena IUD, suitable, bicornuate uterus, septum, separating, uterine cavities, effective, Dr. Mimi Zieman, separate horns, short septum


Robert A. Hatcher MD, MPH
Emeritus Professor of Gynecology and Obstetrics
Emory University School of Medicine
Atlanta, GA

The directors and owners of this website and any publications and information concerning health matters offered here advise a person with a particular problem to consult a primary-care clinician or a specialist in obstetrics, gynecology, or urology (depending on the problem or the contraceptive) as well as the product package insert and other references before diagnosing, managing, or treating the problem.
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