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Benign Pelvic Masses

Causes of Benign Pelvic Masses

The causes of benign pelvic masses depend on the location and type of the pelvic mass—and in many cases, doctors just don’t know. Uterine fibroids, for instance, are thought to develop from an aberrant muscle cells in the uterus, while functional ovarian cysts (the most common type of ovarian cyst) form during ovulation, either when the egg is not released or the follicle in which the egg is formed does not dissolve after ovulation, and ovarian tumors are associated with various risk factors, such as age, smoking, obesity, hormone replacement therapy, and not having children or not breastfeeding. 

Locations for Benign Pelvic Masses