Experts don't know exactly what causes ovarian cancer. Genetics, such as DNA changes, are a risk factor for some women.
About 10 out of 100 ovarian cancers are thought to be caused by gene mutations in the BRCA1 or BRCA2 genes.1 The risk for women who have these gene changes is much higher than for women without them.
WebMD Medical Reference from Healthwise
November 14, 2014
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