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Risk Factors for Cancer Deaths - Breast Cancer

Risk Factors

According to the Centers for Disease Control and Prevention, risk factors for breast cancer include: older age (>50 years); genetic mutations (e.g., BRCA1 and BRCA2); early age at menstruation (<12 years); no or late (>30 years) pregnancy; late age at menopause (>55 years); lack of physical activity; being overweight or obese after menopause; having dense breasts; using combination hormone therapy (i.e., estrogen and progestin together); taking oral contraceptives; personal or family history of breast cancer; personal history of certain non-cancerous breast diseases (e.g., atypical hyperplasia or lobular carcinoma in situ); previous radiation therapy to chest or breasts (e.g., for treatment of Hodgkin's lymphoma) before age 30 years; alcohol consumption. Women who took diethylstilbestrol (DES) during pregnancy and women whose mothers took DES are also at increased risk for breast cancer.

The information provided above is from the New Mexico Department of Health's NM-IBIS web site ( The information published on this website may be reproduced without permission. Please use the following citation: "Retrieved Fri, 30 July 2021 from New Mexico Department of Health, Indicator-Based Information System for Public Health Web site:".

Content updated: Tue, 18 Dec 2018 08:41:23 MST