About the Authors

Xuemei Qing

Roles Conceptualization, Data curation, Formal analysis, Methodology, Validation, Writing – original draft, Writing – review & editing

‡ XQ and MX are contributed equally to this work as first author.

Affiliations Department of Obstetrics and Gynecology, Qingbaijiang District People’s Hospital, Chengdu, Sichuan, China, Department of Obstetrics and Gynecology, Southwest Medical University, Luzhou, Sichuan, China

Min Xie

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

‡ XQ and MX are contributed equally to this work as first author.

Affiliations Department of Obstetrics and Gynecology, Qingbaijiang District People’s Hospital, Chengdu, Sichuan, China, Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China

Ping Liu

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

Affiliation Department of Obstetrics and Gynecology, Qingbaijiang District People’s Hospital, Chengdu, Sichuan, China

Ou Feng

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

Affiliation Department of Obstetrics and Gynecology, Qingbaijiang District People’s Hospital, Chengdu, Sichuan, China

Hong Leng

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

Affiliation Department of Obstetrics and Gynecology, Qingbaijiang District People’s Hospital, Chengdu, Sichuan, China

Hongying Guo

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

Affiliation Department of Obstetrics and Gynecology, Qingbaijiang District People’s Hospital, Chengdu, Sichuan, China

Yong Zhang

Roles Conceptualization, Project administration, Writing – review & editing

lizza2222@126.com (YM); 13808110138@163.com (YZ)

Affiliations Department of Obstetrics and Gynecology, Southwest Medical University, Luzhou, Sichuan, China, Department of Obstetrics and Gynecology, Mianyang Central Hospital, Mianyang, Sichuan, China

Ying Ma

Roles Conceptualization, Project administration, Supervision, Writing – review & editing

lizza2222@126.com (YM); 13808110138@163.com (YZ)

Affiliations Department of Obstetrics and Gynecology, Mianyang Central Hospital, Mianyang, Sichuan, China, Department of Obstetrics and Gynecology, Chengdu Medical College, Chengdu, Sichuan, China

Wenxin Zheng

Roles Project administration, Writing – review & editing

Affiliation Department of Obstetrics and Gynecology, Department of Pathology, Harold C Simmons Comprehensive Cancer Center at the University of Texas Southwestern Medical Center, Dallas, TX, United States of America

Competing Interests

The authors have declared that no competing interests exist.