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Authors
Li, Xiao-Qin
Xue, Ping
Zheng, Yan-Mei
Yang, Xiang-Li
Liu, Shuo
Feng, Lin
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Article History
Received: 19 May 2025
Accepted: 12 November 2025
First Online: 7 December 2025
Declarations
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: This study is in accordance with the Declaration of Helsinki. The study was approved by the Ethics Commission of Taiyuan maternal and child health care hospital (202413). As a retrospective analysis of existing patient data, the requirement for informed consent was waived.
: The authors declare no competing interests.
