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Risk Factors for Cancer Screening - Mammography

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., like 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.

Related Risk Factors Indicators:

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 Tue, 07 July 2020 from New Mexico Department of Health, Indicator-Based Information System for Public Health Web site:".

Content updated: Wed, 14 Feb 2018 15:10:20 MST