Risk factors
- Older age
- Inherited gene changes: The gene that increases the ovarian cancer risk includes BRCA1 and BRCA2 which are also the risk factors for breast cancer.
- Family history of ovarian cancer
- Being overweight or obese.
- Postmenopausal hormone replacement therapy
- Endometriosis.
- Age when menstruation started and ended.
- Never having been pregnant.