Meng, Gai Li
Wang, Qi
Kang, Ru
Cheng, Xiao Yue
Yang, Jun Lan
Xie, Yun
Funding for this research was provided by:
Research Project of Northwest Women’s and Children’s Hospital (2022YN02)
Article History
Received: 4 January 2023
Accepted: 19 June 2023
First Online: 24 June 2023
Declarations
:
: We declare that the research was approved by the Ethics Committee of the Northwest Women’s and Children’s Hospital (approval No. 21–16) and the permission to access and analyze the clinical data of pregnant patients was granted by the Northwest Women’s and Children’s Hospital. All procedures were undertaken in accordance with guidelines set forth by the Declaration of Helsinki. Informed consent for this retrospective study was waived by the Ethics Committee of the Northwest Women’s and Children’s Hospital.
: None.
: The authors declare no competing interests.