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Authors
Tao, Lin-Lin
Zheng, Bo
Li, Guo-Zhen
Geng, Ya-Song
Yang, Zhi-Wei
Dai, Hao-Yang
Wang, Shu-Song
Dai, Fang-Fang
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Article History
Received: 11 May 2025
Accepted: 11 October 2025
First Online: 5 November 2025
Declarations
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: This study followed the Declaration of Helsinki and was performed in accordance with the relevant local guidelines and regulations. The study was approved by the research ethics board at Xingtai Meihe Reproductive and Genetic Hospital (approval number: 2023-15). The requirement for informed consent was waived owing to the retrospective nature of the study, and data from all patients were used anonymously. The research was conducted ethically in accordance with the World Medical Association Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.
