About the Authors

Yinghui Zhang

Roles Conceptualization, Writing – original draft

Affiliation Department of Obstetrics and Gynecology, Foshan Chancheng Central Hospital, Foshan, Guangdong, China

Jie Zhou

Roles Conceptualization, Writing – review & editing

Affiliation Department of Pediatrics, Foshan Chancheng Central Hospital, Foshan, Guangdong, China

Yubo Ma

Roles Data curation, Formal analysis, Methodology, Writing – review & editing

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China

Li Liu

Roles Data curation, Formal analysis, Methodology, Writing – review & editing

Affiliation Department of Library, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China

Qing Xia

Roles Writing – review & editing

Affiliation Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania Australia

Dazhi Fan

Contributed equally to this work with: Dazhi Fan, Wen Ai

Roles Conceptualization, Supervision, Writing – review & editing

wolf-fs@outlook.com (WA); fandazhigw@163.com (DF)

Affiliation Foshan Institute of Fetal Medicine, Southern Medical University Affiliated Maternal & Child Health Hospital of Foshan, Foshan, Guangdong, China

Wen Ai

Contributed equally to this work with: Dazhi Fan, Wen Ai

Roles Supervision, Writing – review & editing

wolf-fs@outlook.com (WA); fandazhigw@163.com (DF)

Affiliation Department of Obstetrics and Gynecology, Foshan Chancheng Central Hospital, Foshan, Guangdong, China

Competing Interests

The authors have declared that no competing interests exist.