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Authors
Ye, Xi
Zhang, Xiangfeng
Yu, Le
Zheng, Chenmin
Hong, Xuanxuan
Wang, Fei
Wang, Liehong
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Funding
Funding for this research was provided by:
clinical medical research center for obstetrics and gynecology diseases in Qinghai Province (2024-SF-L03)
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Article History
Received: 23 September 2025
Accepted: 17 February 2026
First Online: 19 February 2026
Declarations
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: This study was approved by from the Medical Ethics Committee of Anhui Province Maternal and Child Health Hospital(YYLL20240130-YNXM-LL-01-1.4) and performed in accordance with the tenets of the Declaration of Helsinki.
: Not applicable.
: Due to the retrospective nature of the study and minimal risk to patients, the Ethics Committee of Anhui Province Maternal and Child Health Hospital waived the requirement for written informed consent. All personal identifiers of patients were anonymized.
: The authors declare no competing interests.
