The HD DHEA and ERA groups had greater Fe2+ levels than the NC and Control groups (Fig. 5H = 121.33, p < 0.0001), with the HD DHEA group having lower levels than the ERA group (Fig. 4E, MD = were significantly lower in the PCOS group compared to the Control group, suggesting abnormal endometrial 0.3285, p = 0.0038). This evidence concerns the gene ESR1 and polycystic ovary syndrome.