An ovarian cyst is a sac filled with fluid that forms on or inside of an ovary.
This article is about cysts that form during your monthly menstrual cycle, called functional cysts. Functional cysts are not the same as cysts caused by cancer or other diseases.
For more information about other causes of cysts on or near the ovaries, see also:
Physiologic ovarian cysts; Functional ovarian cysts;...Read more
Osteonecrosis of the hip, a condition in which the bone tissue in the hip dies, affects mainly young, active patients. Its origin is unknown, making... Read more »