 PARTICIPANTSMATERIALS, SETTING, METHODS: This study was performed in the Reproductive Endocrinology Clinic at Wan Fang Medical Center in Taipei, Taiwan. Anthropometric, metabolic, endocrine, and IR components as well as lipid accumulation product LAP index were compared between the groups. IR was assessed with the following markers: fasting glucose and insulin levels, oral glucose tolerance test, glucose-to-insulin ratio and homeostasis model assessment of IR index HOMA-IR. 