Causes
Family history of ovarian cancer in a first-degree relative (mother, daughter, or sister), Inherited changes in the BRCA1 or BRCA2 genes. Other hereditary conditions, such as hereditary nonpolyposis colorectal cancer (HNPCC; also called Lynch syndrome: type of inherited cancer syndrome associated with a genetic predisposition to different cancer types.), Endometriosis, Postmenopausal hormone therapy, Obesity, Tall height