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July 24, 2020

Breast Cancer Risk in Transgender Women

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Evolving Data

Although data on transgender women is limited, breast cancer screening guidelines in this patient population are evolving. Transgender women have a high prevalence of dense breasts, which is an independent risk for breast cancer.

Transgender Women

Transgender women differ from non-transgender women in the length of exposure to estrogens as well as variable exposure to progestogens. Therefore, it is recommended that screening not begin in transgender women until after a minimum of 5 years of feminizing hormone use, regardless of age. Some providers may choose to discuss the risks and unknowns with patients and delay screening until after up to 10 years of feminizing hormone use, regardless of age.

Unsure About Where to Start?

If you are unsure about when to start screening, it is important to discuss this with your provider. Source: Fenway Guide to Lesbian, Gay, Bisexual, and Transgender Health and Guidelines for the Primary and Gender-Affirming Care of Transgender and Gender Nonbinary People.


Be proactive about your breast care. Contact the healthcare professionals at Connecticut Breast Imaging today to schedule your next visit. Schedule an appointment ›