Results: Serum Urocortin levels were comparable across the three groups (mean ± SD: 3.63 ± 0.41 μg/mL in ovarian endometriosis vs. 3.59 ± 0.31 μg/mL in parietal endometriosis and 3.70 ± 0.38 μg/mL in controls; p > 0.05). The gene discussed is UCN; the disease is ovarian endometriosis.