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Authors
Lan, Kexin
Yin, Shaohua
Wang, Yang
Li, Rong
Zhao, Yangyu
Wei, Yuan
Chen, Shaomin
Li, Zhaoping
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Funding
Funding for this research was provided by:
Peking University Third Hospital, China (BYSYZD2021014)
Peking University Third Hospital (BYSYLXHG2020005)
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Article History
Received: 5 May 2026
Accepted: 3 July 2026
First Online: 25 July 2026
Declarations
Ethics approval and consent to participate: The study was conducted in accordance with the Declaration of Helsinki. The study was approved by the Reproductive Medicine Ethics Committee of Peking University Third Hospital (Project number: 2018sz-002). The requirement for informed consent was waived by the Ethics Commission due to the retrospective nature of the study.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.
