AP1G1 and polycystic ovary syndrome: The ADTG: DHEAS ratio was significantly elevated in obese PCOS compared to non-obese PCOS and control subjects suggesting that this may be a novel biomarker to identify obese PCOS patients, with ADTG formation perhaps being driven by higher hepatic 5α reductase activity reflecting the increased insulin resistance seen in the obese PCOS group.