Yang, Chunxia
Dong, Naijun
Li, Feng
Ji, Yurong
Pan, Yu
She, Hong
Article History
Received: 21 March 2022
Accepted: 1 June 2022
First Online: 21 June 2022
Declarations
:
: This study was approved by the ethics committee of the Reproductive Medicine of Subei People’s Hospital of Jiangsu Province. Due to the retrospective nature, the need for informed consent was waived by the committee.
: Not applicable.
: The authors declare that they have no competing interests.