1. Department of Gynecology & Obstetrics Shanghai Clinical Center for Diabetes Shanghai Jiao Tong University Affiliated Sixth People's Hospital Shanghai China
2. Department of Gynecology & Obstetrics Shenzhou City Hospital Shenzhou Hebei China
3. Department of Endocrinology and Metabolism Shanghai Clinical Center for Diabetes Shanghai Jiao Tong University Affiliated Sixth People's Hospital Shanghai China