Liu, Yinglan
Xiong, Ying
Article History
Received: 24 March 2023
Accepted: 30 October 2023
First Online: 20 November 2023
Declarations
:
: The study was approved by Department of Obsdetrics and Gynecology of the First Affiliated Hospital of Harbin Medical University (No. 2021070).
: Not applicable.
: The authors declare that they have no conflict of interest.