Cysts are small pockets of fluid that form inside the body. Ovarian cysts are common, affecting around one in 10 women. But sometimes they can cause pain—especially when they burst. You can usually ...

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 ...

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 ...

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 ...

Most ovarian cysts are harmless, symptomless, and go away without treatment. However, they can cause pain if they rupture, twist, or grow to a large size. Ovarian cysts occur in or on the ovaries when ...

Cysts are small pockets of fluid that form inside the body. Ovarian cysts are common, affecting around one in ten women. But sometimes they can cause pain – especially when they burst. You can usually ...