AMH and endometriosis: However, a cross-sectional study including 313 women with a diagnosis of endometriosis and 413 women without endometriosis (control) identified no difference in serum AMH levels related to the type of endometriosis excluding women who had a past history of surgery for endometriomas (4.1 ± 3.4 ng/mL for the control group, 4.5 ± 3.6 ng/mL for the superficial peritoneal lesion group, 3.8 ± 2.9 ng/mL for the endometrioma group, 3.4 ± 3.0 ng/mL for the deep infiltrating endometriosis group, mean ± SD; P = 0.06) [23].