Endometriosis can cause fluid-filled cysts, usually in or around the ovaries. In some people, these cysts may rupture. A ruptured cyst may not cause any problems, but it can sometimes require ...

Ovarian cysts are common in females of reproductive age. Most of them are harmless, but some may rupture. A sudden, sharp pain in the lower abdomen, with nausea and vomiting in some cases, can ...

A ruptured ovarian cyst can cause sudden abdominal or pelvic pain, bleeding, nausea, or vomiting. The most common type ruptures during ovulation to release an egg, and some cysts may rupture without ...

Editor's Note: In May 2026, the Endocrine Society and other international experts officially renamed polycystic ovary syndrome (PCOS) polyendocrine metabolic ovarian syndrome (PMOS). This change ...

Ovarian cysts are small sacs full of fluid that form on your ovaries. You have two ovaries, each about 3-4 centimeters (cm) in size. An egg develops each month in your ovaries and passes through the ...