5,000
Participants
Start Date
September 1, 2022
Primary Completion Date
March 31, 2024
Study Completion Date
December 31, 2024
No intervention
Participants are not subjected to any specific intervention.
RECRUITING
Institute of Women, Children and Reproductive Health, Jinan
Shandong University of Traditional Chinese Medicine
OTHER
The Second Hospital of Shandong University
OTHER
The Affiliated Hospital of Qingdao University
OTHER
Yantai Yuhuangding Hospital Affiliated to Qingdao University
UNKNOWN
Yantai City Yantai Mountain Hospital
UNKNOWN
the First People's Hospital of Jining
UNKNOWN
Weifang People's Hospital
OTHER
Jining Medical University
OTHER
Linyi People's Hospital
OTHER
Dezhou People's Hospital
OTHER
The Affiliated Hospital of Binzhou Medical College
UNKNOWN
Liaocheng People's Hospital
OTHER
The Second People's Hospital of Liaocheng
UNKNOWN
Linyi Maternal and Child Healthcare Hospital
UNKNOWN
Heze Hospital of Traditional Chinese Medicine
UNKNOWN
Weihai maternal and child health care hospital
UNKNOWN
Weifang Maternal and Child Health Hospital
UNKNOWN
Tai'an City Central Hospital
UNKNOWN
Zibo Maternal and Child Health Care Hospital
UNKNOWN
Qingdao Women and Children's Hospital
UNKNOWN
The Affiliated Hospital of Shandong University of Traditional Chinese Medicine
UNKNOWN
Qilu Hospital of Shandong University
OTHER
The Affiliated Hospital of Weifang Medical College
UNKNOWN
Maternal and Child Health Care Hospital of Shandong Province
UNKNOWN
Ren Ji Hospital of Shanghai Jiao Tong University
UNKNOWN
Shandong University
OTHER