GPT and polycystic ovary syndrome: Liver enzymes, including glutamic-pyruvic transaminase (ALT), glutamic-oxaloacetic transaminase (AST), and γ-glutamyltransferase (γ-GGT), as well as renal function indexes, including creatinine (Cre) and blood urea nitrogen (BUN), seldom showed significant differences between groups, except for the obviously elevated uric acid (UA) in PCOS patients.