Frontiers Endometriosis Is a Cause of Infertility. Does Reactive Oxygen Damage to Gametes and Embryos Play a Key Role in the Pathogenesis of Infertility Caused by Endometriosis? What To Avoid When Taking Glutathione Estradiol and progesterone regulate secretion and metabolite content of extracellular vesicles from immortalized bovine uterine epithelial cells Scientific Reports Frontiers Mechanisms of endometrial aging: lessons from natural conceptions and assisted reproductive technology cycles We focus on hormones as doctors, but what I'm learning is there may be more to the picture: fertility begins at the cellular level. Every time a cell produces energy, it also