1. Department of Endocrinology, Jianghan University Affiliated Hospital (Wuhan No. 6 Hospital), Wuhan, Hubei 430000, China
2. Department of Gynaecology, Peking Union Hospital, Huazhong University of Science and Technology, Wuhan, Hubei 430000, China
3. Department of Obstetrics and Gynecology, Hubei Veterans Hospital, Wuhan, Hubei 430000, China