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Authors
Li, Jingxuan
Liu, Meixin
Lv, Xiaobing
Zhang, Nan
Yu, Dongmei
Su, Xiaoting
Shuai, Xiaohong
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Article History
Received: 29 August 2025
Accepted: 9 March 2026
First Online: 18 March 2026
Declarations
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: The study was conducted in accordance with the Declaration of Helsinki, and the protocol was approved by the Ethics Committee of the Affiliated Hospital of Qingdao University (Approval No. QYFY-WZLL-30471) and Guizhou Anshun Maternal and Child Health Care Hospital (Approval No. 2025001). Patient consent was waived due to retrospective nature of the study.
: Not applicable.
: The authors declare no competing interests.
