About the Authors

Lilu Guo

Roles Data curation, Formal analysis, Investigation, Methodology, Software, Writing – original draft

Affiliation Department of Obstetrics and Gynecology, Changsha Maternal and Child Health Care Hospital, Changsha, China

Xiaodi Li

Roles Methodology

Affiliation Department of Obstetrics and Gynecology, Changsha Maternal and Child Health Care Hospital, Changsha, China

Huihua Li

Roles Data curation, Investigation

Affiliation Department of Obstetrics and Gynecology, Changsha Maternal and Child Health Care Hospital, Changsha, China

Binan Wang

Roles Methodology, Resources

Affiliation Department of Obstetrics and Gynecology, Changsha Maternal and Child Health Care Hospital, Changsha, China

Haichun Guo

Roles Validation

Affiliation Department of Obstetrics and Gynecology, Changsha Maternal and Child Health Care Hospital, Changsha, China

Jingni Wu

Roles Conceptualization, Funding acquisition, Software, Validation, Writing – review & editing

Jingni1991@csu.edu.cn

Affiliation Department of Obstetrics and Gynecology, The Second Xiangya Hospital, Central South University, Changsha, China

Competing Interests

The authors have declared that no competing interests exist.