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Authors
Yi, Jiao
Chen, Lei
Meng, Xianglian
Chen, Yi
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Article History
Received: 14 February 2024
Accepted: 27 February 2025
First Online: 15 March 2025
Declarations
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: This retrospective research was approved by Hefei Maternal and Child Health Care Hospital. Owing to the retrospective design of the study, the need to obtain informed consent from eligible women was waived by Hefei Maternal and Child Health Care Hospital.
: Not applicable.
: The authors declare no competing interests.
