Fig. 1

Breast composition by quartiles of average ER-α methylation. Quartiles for Tanner 2 methylation after correction for cellular heterogeneity: Q1 [0.98, 3.49], Q2 [3.49, 5.03], Q3 [5.03, 7.34], Q4 [7.34, 24.8]. Quartiles for Tanner 4 methylation after correction for cellular heterogeneity: Q1 [0.78, 3.37], Q2 [3.37, 5.28], Q3 [5.28, 6.96], Q4 [6.96, 23.60]