SULT2A1 and polycystic ovary syndrome: Higher levels of DHEAS (P = 0.015), 17-OHP5 (P = 0.003), 17-OHP (P < 0.001), progesterone (P, P < 0.001) and E1 (P < 0.001), and lower FAI (P < 0.001) were observed in the lean PCOS group compared with the obese PCOS group.