Shaanxi Provincial People’s Hospital
Tangdu Hospital
Xijing Hospital
Shanxi Women and Children Hospital
First Affiliated Hospital of Xi’an Jiaotong University
Xi’an No. 4 Hospital
Xi’an Gaoxin Hospital
Xi’an Maternal and Child Health Hospital
Xi’an Angel Women’s and Children’s Hospital
Xi’an Qujiang Obstetrics& Gynecology hospital
Xi’An Ci Ai Maternity Hospital
