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Authors
Qian, Qingqing
Qi, En yao
He, Hongyue
Ding, Rui
Tan, Qilian
Bao, Hongguang
Shan, Tao
Li, Yongjun
Shi, Hongwei
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Article History
Received: 31 January 2026
Accepted: 6 April 2026
First Online: 14 April 2026
Declarations
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: Our study was approved by the ethics committee of the Nanjing Maternity and Child Health Care Hospital on December 3, 2021 (approval number: 2021KY-092-01). The trial followed the CONSORT guidelines and Declarations of Helsinki. Written informed consent was obtained from all parturients before the trial.
: Not applicable.
: The authors declare no competing interests.
