ESR1 and Infertility: A positive correlation was found also between MEHP and ERα (r = 0.388; P < 0.005), ERβ (r = 0.398, P < 0.005), AR (r = 0.366; P < 0.005), AhR (r = 0.291; P < 0.05), and PXR expression (r = 0.364; P < 0.005) in the infertile group, but not in the control group.