Search Results
Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
Search for other papers by Hongcheng Wei in
Google Scholar
PubMed
Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
Search for other papers by Quanquan Guan in
Google Scholar
PubMed
Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
Search for other papers by Qiurun Yu in
Google Scholar
PubMed
Search for other papers by Ting Chen in
Google Scholar
PubMed
Search for other papers by Xu Wang in
Google Scholar
PubMed
Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
Search for other papers by Yankai Xia in
Google Scholar
PubMed
delivery rate reached 34.9% in 2018, the majority of pregnant women still achieved vaginal delivery, even for those who experienced labor dystocia ( 4 ). The natural labor process is divided into three stages. The first stage of labor occurs when women