Ovarian cancer - Symptoms and causes - Mayo Clinic It's not clear what causes ovarian cancer, though doctors have identified things that can increase the risk of the disease Doctors know that ovarian cancer begins when cells in or near the ovaries develop changes (mutations) in their DNA
Ovarian cancer - Diagnosis and treatment - Mayo Clinic Once it's confirmed that you have ovarian cancer, your doctor will use information from your tests and procedures to assign your cancer a stage The stages of ovarian cancer range from 1 to 4, which are often indicated with Roman numerals I to IV
Primary ovarian insufficiency - Symptoms and causes Primary ovarian insufficiency occurs when the ovaries stop working as they should before age 40 When this happens, the ovaries don't make the typical amounts of the hormone estrogen or release eggs regularly
Ovarian hyperstimulation syndrome - Symptoms causes - Mayo Clinic Ovarian hyperstimulation syndrome is an exaggerated response to excess hormones It usually occurs in women taking injectable hormone medications to stimulate the development of eggs in the ovaries