What Is a Fibroid Made of?

A fibroid is a tumor that affect a woman's gynecological system. Although a patient should always seek medical advice from a licensed physician, here are some basic facts about the fibroid and its characteristics.

Composition

• A fibroid is composed of muscular tissue.

Location

• A fibroid is located on the wall of a woman's uterus.

Cancer

• According to the National Women's Health Information Center, most fibroids found in women are benign, not cancerous.

Incidence

• The University of California, San Francisco reports that fibroids occur in as much as 30 percent of women in the United States.

Size

• Uterine fibroids range in size from an appleseed to a grapefruit.

Significance

• According to the Mayo Clinic, three out of four women may have these tumors and do not know about them because they don't cause any symptoms.