CYP19A1 and endometriosis: Inthis regards, it has been suggested an epigenetic alteration may be involved inCYP19A1 gene deregulation in CC of these patients (Hosseini et al., 2016).Altogether, these data suggest reduced aromatase and, consequently, possiblyaltered follicular steroidogenesis and impaired oocyte quality in infertilewomen with endometriosis, what requires confirmation by further studies.