Up to 25% of ovarian cancers result from inherited mutations in certain genes.

Using birth control pills for five or more years has been associated with a lower chance of getting ovarian cancer.

Five-year survival rate: 49%

About 21,410 women will receive a new diagnosis in 2021.

Women who give birth after age 35 or who have never carried a pregnancy to term have a higher risk.

Half of all ovarian cancers are found in women aged 63 and older.

Some studies suggest that women who breastfeed for one year or more may have a reduced risk.