Endometriosis - Symptoms

Risk Factors

About 5 million American women have endometriosis.

Age

Endometriosis can occur in teenagers and adult women of all ages, but most typically occurs in women between the ages of 25 - 40.

Family History

A family history of endometriosis, especially in a mother or sister, increases a woman’s likelihood of developing it herself.

Not Having Had Children

Pregnancy appears to be protective against endometriosis, while never having had children is associated with a greater risk for the condition. However, endometriosis can still occur in women who have had children.

Dietary Factors

Some studies suggest that consumption of red meat and trans fats may increase the risk of developing endometriosis, while consumption of fruits, green leafy vegetables, and omega-3 fatty acids (found in fish) may be protective.

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Menstrual History

Women at higher risk for endometriosis tend to have more problems with menstruation. Those at higher risk usually have a shorter than normal cycle, heavier periods, and longer periods. They may also have begun menstruating at a younger than average age.

Review Date: 07/26/2010
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).