It was recently suggested that CYP17, VDR, MUC17, COX-2, WNT4, E-cadherin, CYP19, CYP17, NFKB1, and TYK2 genes, as well as the variants of MUC2 gene, may also contribute to the risk of infertility associated with endometriosis [120,121,122,123,124,125]. The gene discussed is CYP17A1; the disease is endometriosis.