1. Department of Gynaecology, Obstetrics and Gynecology Hospital Fudan University Shanghai China
2. Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases Shanghai China
3. Department of Clinical Epidemiology, Obstetrics and Gynaecology Hospital Fudan University Shanghai China
4. Department of Cervical Diseases, Obstetrics and Gynaecology Hospital Fudan University Shanghai China
5. Department of Pathology, Obstetrics and Gynaecology Hospital Fudan University Shanghai China
6. Department of Radiology, Obstetrics and Gynaecology Hospital Fudan University Shanghai China
7. Department of Sonography, Obstetrics and Gynaecology Hospital Fudan University Shanghai China
8. Shanghai JiAi Genetics and IVF Institute, Obstetrics and Gynaecology Hospital Fudan University Shanghai China
9. Department of Gynaecology Campus Virchow Clinic Charite Medical University of Berlin corporate member of Free University Berlin Humboldt‐University Berlin Berlin Institute of Health Berlin Germany