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What increases the risk of invasive breast cancer?

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There’s no way to know if you’ll develop an invasive form of breast cancer, but there are things that increase your chances, many of which you can’t change.

Older women are at higher risk. About 10% of women diagnosed with invasive breast cancer are under age 45 -- and 2 out of every 3 women with invasive breast cancer are age 55 or older when they’re first diagnosed.

Your genetics and family history of breast cancer play roles. It’s more common among white women than black, Asian, or Hispanic women.

You’re also at higher risk if you’re obese, your breasts are dense, you didn’t have children, or you became pregnant after the age of 35.

SOURCES:

American Cancer Society: "What is Breast Cancer?"

BreastCancer.org: "ILC -- Invasive Lobular Carcinoma" and “Treatment for DCIS.”

National Institute of Health: "Breast Cancer: Reference Summary."

Breast Cancer Treatments of America: “Invasive breast cancer risk factors.”

National Cancer Institute: “Breast Cancer Risk in American Women.”

Reviewed by Laura J. Martin on August 01, 2017

SOURCES:

American Cancer Society: "What is Breast Cancer?"

BreastCancer.org: "ILC -- Invasive Lobular Carcinoma" and “Treatment for DCIS.”

National Institute of Health: "Breast Cancer: Reference Summary."

Breast Cancer Treatments of America: “Invasive breast cancer risk factors.”

National Cancer Institute: “Breast Cancer Risk in American Women.”

Reviewed by Laura J. Martin on August 01, 2017

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What is tumor grading relative to invasive breast cancer?

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