EGF and cholesteryl ester measurement: In this study, we found that the expression profile of VEGFA, VEGFB, VEGFC, EGF, TNF, TGFB1, IFNG, TP73, TP63, BAXva, CDC2, CDC2va, CCND3, CCNB1 in the endometrium of women with CE was significantly different from controls (Figure 1a–d).