1. Beijing Obstetrics and Gynecology Hospital Capital Medical University Beijing China
2. Beijing Maternal and Child Health Care Hospital Beijing China
3. School of Artificial Intelligence University of Chinese Academy of Sciences Beijing China
4. CAS Key Laboratory of Molecular Imaging, Institute of Automation Chinese Academy of Sciences Beijing China
5. Department of Obstetrics and Gynaecology Chinese University of Hong Kong Hong Kong
6. Beijing Advanced Innovation Center for Big Data‐Based Precision Medicine School of Medicine, Beihang University Beijing China