CYP19A1 and endometriosis: The distribution of P450 Aromatase in endometriosis patients also differs significantly vs. control with the distribution of 20–50% in 18.9% cases, 50–80% in 45.9% cases (OR 13.36; 95% CI 1.93–118.02) and > 80% in 35.1% cases (OR 10.21; 95% CI 1.43–92.35); case with negative distribution and < 20% was not found.