PTGS2 and endometriosis: Although this has not previously been reported in the setting of endometriosis or other gynecological disorders, it has been suggested that genetic polymorphisms of some oxidative-stress-related genes (e.g., cyclooxygenase 2 (COX2), catalase (CAT), and superoxide dismutase (COX2)) may modify the association between BPA exposure and liver function [49].