1. Medical School of Chinese PLA, Department of Obstetrics and Gynecology, The First Medical Center of PLA General Hospital, Beijing 100853, China
2. Department of Transformation Medicine Center, The Medical Innovation Research Division of Chinese PLA General Hospital, Beijing 100853, China
3. Senior Department of Obstetrics and Gynecology, The Seventh Medical Center of PLA General Hospital, Beijing 100853, China
4. Key Laboratory of RNA Biology, Center for Big Data Research in Health, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
5. Department of Clinical Biobank Center, The Medical Innovation Research Division of PLA General Hospital, Beijing 100853, China