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Authors
Huang, Beilei
Zhou, Chen
Kuang, Haiyan
Zhang, Meixiang
Huang, Xiaoliang
Ouyang, Danping
Wang, Zhirong
Kong, Yifan
Luo, Yingchun
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Funding
Funding for this research was provided by:
This research was participated in Hunan Provincial Hospital of Maternal and Child Health Care's High-Level Talent Development Scheme.
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Article History
Received: 28 July 2025
Accepted: 30 September 2025
First Online: 24 October 2025
Declarations
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: The authors report no conflicts of interest.
: This retrospective investigation was approved by the Ethics Committee of the Hunan Province Maternal and Child Health Hospital (no. 2024003).
: Informed consent was obtained from all individual participants included in the study.
: The authors affirm that human research participants provided informed consent for publication of the images in Figs. , , , and .
