verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style

How do BRCA mutations affect cancer risk?

Persons with BRCA mutations face a significantly increased risk of developing breast, ovarian, prostate, or pancreatic cancer. For example, among American women in the general population, about 12 to 13 percent will develop breast cancer, whereas among women with BRCA1 mutations, about 55 to 65 percent will develop the disease.