Duan, Zhongxu
Xiao, Qian
Zhou, Jing
Yang, Ting
Li, Daxue
Li, Yili
Jing, Jingfeng
Gao, Han
Article History
Received: 13 April 2025
Accepted: 7 October 2025
First Online: 11 November 2025
Declarations
:
: The Institutional Review Board of Chongqing Health Center for Women and Children approved this study (reference number 2025008). Informed consent was waived by the local Ethics Committee of Chongqing Health Center for Women and Children in view of the retrospective nature of the study and that all the procedures being performed were part of the routine medical care. The study followed the latest version of the Helsinki Declaration.
: Not applicable.
: The authors declare that they have no competing interests.