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Authors
Sun, Qin
Xu, Juanjuan
Yao, Yaxin
Huang, Xuan
Zhao, Dunmei
Lu, Sijia
Yao, Bing
Chen, Li
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Funding
Funding for this research was provided by:
Military Logistics Research Project Family Planning Special Research Topic (23JSZ18, 23JSZ18)
Key Medical Research Project of Jiangsu Provincial Health Commission (ZD2022004, ZD2022004)
National Natural Science Foundation of China (82274651, 82274651)
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Article History
Received: 26 February 2024
Accepted: 2 August 2024
First Online: 16 August 2024
Declarations
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: The study protocol was approved by the Ethics Committee of Nanjing Jinling Hospital (2016NZKY-028-02) and registered in the Chinese Clinical Trial Center (ChiCTR-DDD-17010376), and all included couples signed written informed consent.
: Not applicable.
: The authors declare no competing interests.
