1. The Reproductive Medical Center Department of Obstetrics and Gynecology West China Second University Hospital Sichuan University Chengdu China
2. Key Laboratory of Birth Defects and Related of Women and Children of Ministry of Education West China Second University Hospital Sichuan University Chengdu China
3. Department of Rheumatology and Immunology West China Hospital Sichuan University Chengdu China
4. Department of Obstetrics and Gynecology West China Second University Hospital Sichuan University Chengdu China
5. Department of Outpatients West China Second University Hospital Sichuan University Chengdu China
6. West China School of Medicine Sichuan University Chengdu China