AMH and ovarian endometriosis: However, patients with bilateral ovarian endometriomas showed a significantly weaker correlation between AMH levels and age compared to the controls (R = −0.633 vs. R = −0.834; p = 0.006) but not the patients with unilateral ovarian endometriosis (R = −0.663 vs. R = −0.774; p = 0.093).