Li, Xiaoxi
Yao, Yaxin
Zhao, Dunmei
Chang, Xiufeng
Li, Yi
Lin, Huilan
Wei, Huijuan
Wang, Haiye
Mi, Ying
Huang, Lei
Lu, Sijia
Yang, Weimin
Cai, Liyi
Funding for this research was provided by:
Natural Science Foundation of Hebei Province (H2022106067)
Key Science and Technology Research Program of the Health Commission of Hebei Province (20180994)
Article History
Received: 10 March 2024
Accepted: 14 May 2024
First Online: 23 May 2024
Declarations
:
: This study was carefully reviewed and approved by the Medical Ethics Committee of Hebei Maternity Hospital (Number: 20180001). All procedures performed in studies were in accordance with the ethical standards of Medical Ethics Committee of Hebei Maternity Hospital and with the Declaration of Helsinki. All patients provided informed consent to participate in this study.
: Not applicable.
: The authors have no competing interests to declare that are relevant to the content of this article.