Fig. 2From: Association of early-onset breast cancer with body mass index, menarche, and menopause in TaiwanThe risk of 40-years-old early-onset breast cancer by per age at menarche. The black dots represent the odds ratios (ORs) for the risk of 40-years-old early-onset breast cancer by per age at menarche and the vertical dotted lines represent 95% confidence intervals (CIs)Back to article page