Ying Chen1, Jiaoyang Shi2, Yuting Zhu1, Xiang Kong3, Yang Lu4, Yanru Chu5, Miskatul Mustafa Mishu4. 1. School of Nursing, Yangzhou University, Yangzhou, Jiangsu Province, China. 2. Department of Obstetrics, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong Province, China. 3. Department of Obstetrics and Gynecology, Medical College of Yangzhou University, Yangzhou, Jiangsu Province, China. XKong@yzu.edu.cn. 4. Medical College of Yangzhou University, Yangzhou, Jiangsu Province, China. 5. Ningbo Center for Disease Control and Prevention, Ningbo, China.
Correction to: BMC Pregnancy Childbirth 21, 784 (2021)https://doi.org/10.1186/s12884-021-04237-yFollowing publication of the original article [1], the authors identified an error in the affiliation of Xiang Kong.The incorrect affiliation is: Department of Obstetrics and Gynecology, Subei People’s Hospital, Yangzhou, Jiangsu Province, China.The correct affiliation is: Department of Obstetrics and Gynecology, Medical College of Yangzhou University, Yangzhou, Jiangsu Province, China.The original article has been corrected.