Zhou, Fan
Ren, Jun
Li, Yutong
Keqie, Yuezhi
Peng, Cuiting
Chen, Han
Chen, Xinlian
Liu, Shanling
Article History
Received: 11 September 2023
Accepted: 29 December 2023
First Online: 27 January 2024
Declarations
:
: This retrospective study involving human data collection was performed in accordance with the Declaration of Helsinki. Informed consent was obtained from all included couples. Approval from the West China Second University Hospital, Sichuan University's ethics committee was obtained prior to patient enrollment.
: Not applicable.
: The authors declare no competing interests.