Wang, Rui
Zhao, Shuyun
Chen, Xiaojuan
Xiao, Ziwen
Wen, Xinghui
Zhong, Xingming
Li, Shixiang
Cheng, Hui
Huang, Guanyou
Article History
Received: 17 May 2022
Accepted: 15 December 2022
First Online: 31 December 2022
Declarations
:
: This study was conducted in strict compliance to the principles expressed in the Declaration of Helsinki. The study was approved by the Ethics Committee of the Affiliated Hospital of Guizhou Medical University (Guizhou, China). All the women who voluntarily terminated their pregnancies provided written informed consent for the collection of samples for subsequent analysis. Informed consent was obtained from all the individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.