| Authors: |
Zeng X; Department of Gynaecology, West China Second University Hospital, Sichuan University, Chengdu 610041, China.; Key Laboratory of Birth Defects and Related Diseases of Women and Children of the Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu 610041, China., Li J; Department of Epidemiology and Health Statistics, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China., Kang LN; National Maternal and Child Health Monitoring Office, West China Second Hospital, Sichuan University, Chengdu 610041, China., Yan LP; Department of Maternal and Child Health, Chengdu Shuangliu District Maternal and Child Health Care Hospital, Chengdu 610041, China., He Z; Department of Obstetrics, the First Affiliated Hospital of Chengdu Medical College, Chengdu 610041, China., Liao GD; Department of Gynaecology, West China Second University Hospital, Sichuan University, Chengdu 610041, China.; Key Laboratory of Birth Defects and Related Diseases of Women and Children of the Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu 610041, China., Xi MR; Department of Gynaecology, West China Second University Hospital, Sichuan University, Chengdu 610041, China.; Key Laboratory of Birth Defects and Related Diseases of Women and Children of the Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu 610041, China., Chen MY; Key Laboratory of Birth Defects and Related Diseases of Women and Children of the Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu 610041, China.; Department of Reproductive Medicine, West China Second University Hospital, Sichuan University, Chengdu 610041, China. |
