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Authors
Zhao, Zhimin
Chen, Liwen
Huang, Congfu
Huang, Zhuyan
Liu, Xiuju
Hu, Bo
Zhou, Zhenwen
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Article History
Received: 19 November 2024
Accepted: 17 June 2025
First Online: 10 July 2025
Declarations
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: This study was approved by the Ethics Committee of the Research Project of Longgang District Maternity & Child Healthcare Hospital, Shenzhen City (Approval Number: LGFYKYXMLL-2024-82). As a retrospective study, the need for informed consent was waived by the Ethics Committee. The study was conducted in accordance with the principles outlined in the Declaration of Helsinki and relevant institutional guidelines.
: Not applicable.
: The authors declare no competing interests.
