Tang, Shaidi
Liu, Yun
Gu, Ying
Yang, Qianqian
Wang, Qian
Funding for this research was provided by:
youth scientific projects of Changzhou hygiene and health committee (QN202136)
Jiangsu scientific projects of maternity and child health care (F202011)
Article History
Received: 22 May 2023
Accepted: 8 May 2024
First Online: 21 May 2024
Declarations
:
: The present study was performed in accordance with the Declaration of Helsinki, and was approved by the ethics committee of Liyang People’s Hospital (No. 2021003), the Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University (No. 2020-06-0731-08) and the Service Center for Maternal-Child Health Care and Birth Control of Xinwu District (No. EC-2021001). Written informed consent was obtained from all participants. The Ethics Committee approved the procedure for consent of our study, and the Department of Science and Education permitted the access and use of the medical records described in our study.
: Not applicable.
: The authors declare no competing interests.