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a–b Forest plots showing the associations between parity and √MD measures (a: √PMD and b: √DA) for all women (parous and nulliparous) across the 40 country-ethnicity specific population groups in the ICMD sample. Analyses were adjusted for age at mammogram, BMI, menopausal status, use of hormone replacement therapy, age at menarche, age at first birth, and image parameters
