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Fibroids - FCIC

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Uterine fibroids are growths in the womb (uterus). They are made of muscle and other tissue. They are not cancer. Uterine fibroids are very common in women of childbearing age.

Fibroids affect more than 1 out of 5 women under age 50. They cause 3 out of every 10 hysterectomies (his-ter-EK-tum-meez). (The womb is removed in a hysterectomy.)

No one knows what causes fibroids. Some doctors think they are caused by the female sex hormone estrogen.

Who is at risk for fibroids?

What are the symptoms?

Many women don't feel any symptoms. Without symptoms, you probably won't even know that you have fibroids. But fibroids can cause some of these symptoms:

Where do fibroids grow?

Fibroids are named for where they grow in the womb:

Will my womb (uterus) have to be removed?

What if I still want to have a child?

Doctors have ways to treat fibroids and infertility. These treatments can improve your chances of getting pregnant.

What are the treatments?

The form of treatment depends on a few things:

A woman may not need any treatment if she shows no symptoms.

Treatment choices include:

Do fibroids cause cancer? No

Do they ever go away?

To learn more:

National Institute of Child Health & Human Development
P.O. Box 3006, Rockville, MD 20847
Phone: 1-800-370-2943
Fax: (301) 984-1473

American College of Obstetricians and Gynecologists (ACOG)
409 12th Street, SW, Washington, DC 20024-2188
Phone: 1-202-863-2518
Fax: 1-202-484-1595

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