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In comparison, the ovarian cancer lifetime risk for the those in the general population is less than 2%. This means that if 100 people had a BRCA1 mutation, between 35 and 70 of them would get ovarian cancer.įor those with BRCA2 mutations the risk has been estimated to be between 10% and 30% by age 70. The lifetime ovarian cancer risk for those with a BRCA1 mutation is estimated to be between 35% and 70%. It also covers the uterus, bladder, and rectum. This syndrome is linked to a high risk of breast cancer as well as ovarian, fallopian tube, and primary peritoneal cancers (peritoneal cancer is a rare cancer, It develops in a thin layer of tissue that lines the abdomen. Hereditary breast and ovarian cancer syndrome is caused by inherited mutations in the genes BRCA1 and BRCA2, as well as possibly some other genes that have not yet been found. Personal or family histories of other cancers including those of the breast, uterus, colon or rectum, also increase the likelihood of ovarian cancer. Please note that Increased risk for ovarian cancer can come from your mother or father’s side. Your chances of getting ovarian cancer are increased if other family members have previously been diagnosed with the disease.

Ovarian cancer can occur within families.