Shen, Yingchun
Li, Gang
Article History
Received: 6 October 2024
Accepted: 1 August 2025
First Online: 25 August 2025
Declarations
:
: The study was approved by the Ethics Committee of Northwest Women and Children’s Hospital. Due to the retrospective nature of the study, consent to participate was waived by the Ethics Committee of Northwest Women and Children’s Hospital.
: The authors declare no competing interests.