Fig. 4From: Body mass index had different effects on premenopausal and postmenopausal breast cancer risks: a dose-response meta-analysis with 3,318,796 subjects from 31 cohort studiesNon-linear dose-response analysis of body mass index (BMI) and relative risk of breast cancer in premenopausal women. (The solid line and the dash line represent the estimated RR and its 95%CI. a: All premenopausal women, b: European women; c: Asian women; d: American women)Back to article page