Ovarian cysts affect women of all ages, especially during a woman's childbearing years. Most ovarian cysts are functional and benign but some can become cancerous. Some ovarian cysts can cause bleeding and pain such as endometriomas/chocolate cysts and surgery is required for any cyst larger than 5 cms in diameter or if the cyst has interfered with the extruding of mature follicle. Traditional Chinese medicine defines ovarian cyst is a medical condition caused by excess-dampness (caused by blood and fluid stasis) accumulated in the abdomen and gradually coalesces into phlegm, that can manifest as that can manifest as ovarian cysts or various kinds, including chocolate cysts.