Most breast cancers are found in women who are 50 years old or older, but about 9,000 women who are younger than 40 years old are diagnosed with breast cancer each year in the United States.
Two genes influence risk for breast cancer: BRCA1 and BRCA2. When one or both of them have amutation (change), they increase your breast and ovarian cancer risk.
The new Know:BRCA tool can help you learn about BRCA genes and assess your risk of having a BRCA mutation. Learning your risk can help you and your doctor make important decisions about your health. If you learn that you have a BRCA gene mutation, you can take important steps to reduce your cancer risk.
Learn more about breast cancer in young women.
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