4,147
Participants
Start Date
April 10, 2019
Primary Completion Date
December 31, 2025
Study Completion Date
June 30, 2026
RECRUITING
Peking Union Medical College Hospital, Chinese Academy of Medicine Sciences, Beijing
Qilu Hospital of Shandong University
OTHER
The First Affiliated Hospital of Nanchang University
OTHER
Jiangxi Maternal and Child Health Hospital
OTHER
Fuzhou General Hospital
OTHER
Obstetrics & Gynecology Hospital of Fudan University
OTHER
Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
OTHER
Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
OTHER
Shanghai Jiao Tong University Affiliated Sixth People's Hospital
OTHER
Affiliated Wuhu Clinical College of Nantong University
UNKNOWN
The Second Hospital of Anhui Medical University
OTHER
Renmin Hospital of Wuhan University
OTHER
Second Xiangya Hospital of Central South University
OTHER
Changsha Hospital for Maternal and Child Health Care
OTHER
The Third Xiangya Hospital of Central South University
OTHER
Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
OTHER
Shenzhen People's Hospital
OTHER
Fourth Medical Center of PLA General Hospital
OTHER
Beijing Chao Yang Hospital
OTHER
The Second Affiliated Hospital of Harbin Medical University
OTHER
Second Hospital of Jilin University
OTHER
Shengjing Hospital
OTHER
Yantai Yuhuangding Hospital
OTHER
Shanxi Coal Center Hospital
UNKNOWN
Mianyang Central Hospital
OTHER
West China Second University Hospital
OTHER
Chongqing Medical Center for Women and Children
OTHER
Southwest Hospital, China
OTHER
Shaanxi Provincial People's Hospital
OTHER
First Affiliated Hospital of Xinjiang Medical University
OTHER
People's Hospital of Xinjiang Uygur Autonomous Region
OTHER
Dalian Maternity and Child Care Hospital
OTHER
Henan Provincial People's Hospital
OTHER
Shanghai 10th People's Hospital
OTHER
Shanghai First Maternity and Infant Hospital
OTHER
Nanjing Maternity and Child Health Care Hospital
OTHER
Affiliated Renhe Hospital of China Three Gorges University, China
UNKNOWN
Guizhou Provincial People's Hospital
OTHER
The First Affiliated Hospital of the Medical College, Shihezi University，China
UNKNOWN
Yangpu District Central Hospital Affiliated to Tongji University
OTHER
Wuhan Central Hospital
OTHER
Peking Union Medical College Hospital
OTHER