What Is Ovarian Cysts? What are ovarian cysts?
An ovarian cyst is a fluid-filled sac that forms on or within an ovary. Most often, they are benign (noncancerous) and don't require treatment. However, some ovarian cysts can be cancerous or precancerous and need to be surgically removed.
Ovarian cysts are common in women of reproductive age because hormones produced by the ovaries help prepare the lining of the uterus...