Uterine fibroids are growths that develop in the wall of the uterus. This is the organ where the fetus develops. Women in their 30s and 40s are more likely to develop fibroids, but they can continue to affect women in their 50s.
Fibroids vary in size from very small, 1 inch or less (the size of a pea), to 8 or more inches in diameter (the size of a grapefruit). These growths are not cancerous. Usually more than one fibroid is present.
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Uterine fibroids. The National Uterine Fibroids Foundation website. Available at: http://www.nuff.org/health_uterinefibroids.htm. Accessed December 7, 2017.
Uterine fibroids fact sheet. Women's Health—US Department of Health and Human Services website. Available at: https://www.womenshealth.gov/a-z-topics/uterine-fibroids. Updated February 6, 2017. Accessed December 7, 2017.
Uterine leiomyoma. EBSCO DynaMed Plus website. Available at:http://www.dynamed.com/topics/dmp~AN~T115612/Uterine-leiomyoma. Updated April 15, 2016. Accessed December 7, 2017.
Last reviewed December 2017 by Beverly Siegal, MD, FACOG Last Updated: 12/20/2014