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Authors
Chen, Yu
Shi, Xinyan
Wang, Zhiyi
Zhang, Lin
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Article History
Received: 2 April 2024
Accepted: 28 October 2024
First Online: 18 November 2024
Declarations
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: This study received approval from the Ethics Committee of the Hangzhou Women's Hospital (Medical Ethics Review A [004], 2024). As this was a retrospective study, no additional adverse effects on patients were observed, and patient information and data were adequately protected. The Ethics Committee of the Hangzhou Women’s Hospital approved the waiver of informed consent for the patients.
: Not applicable.
: The authors declare no competing interests.
