What are the Risks Associated with BRCA1 and BRCA2 Mutations?
Individuals with a BRCA1 mutation have a 55-65% risk of developing breast cancer and a 39% risk of developing ovarian cancer by the age of 70. Those with a BRCA2 mutation have a 45% risk of developing breast cancer and up to a 17% risk of ovarian cancer by the same age. Men with these mutations also face increased risks of breast cancer and prostate cancer.
