CEBPB and adenomyosis: Quantitative DNA methylation analysis showed that the average methylation level of the CEBPB amplicon was lower in endometrium from women with adenomyosis, in which the methylation level was 0.168 (P = .0084) and 0.166 (P = .0064) in eutopic and ectopic endometrium, respectively (Figure 6B,C), and the corresponding methylation level was 0.198 in endometrium from matched controls.