Analysis of over 2.6 million mammogram results from the Breast Cancer Surveillance Consortium confirms greater prevalence of dense breasts in Asian women (66%) than non-Hispanic (NH) White women (45%), Hispanic women (45%), or Black women (37%). Breast density is inversely related to body mass index (BMI) and decreases with age and menopause. After correcting for BMI, age, and menopausal status, Black women were more likely to have dense breasts than NH White or Hispanic women.
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