Women's Health Infographic: Five Facts about Fibroids By UPMC Magee-Womens Hospital, October 1, 2015 Fibroids are growths, or tumors, that form inside the wall of the uterus. They can be as small as an apple seed or as big as a grapefruit. Usually benign, these growths can cause pain and heavy bleeding. Fibroids can be treated with hormone therapy, such as birth control, uterine fibroid embolization, and sometimes surgery. If you didn’t realize a heavy periods could be a sign of something more, you’re not alone. Here are five fast facts about fibroids that you should know: Fibroids grow in your uterus Fibroids are typically not cancerous or considered cancers Fibroids are common in women in their 30s and 40s Fibroids can be treated many ways – or left alone Fibroids have an unknown cause For more information on uterine fibroids, please contact the Magee Fibroid Treatment Center at 412-641-4435.