Chen, Ruixue
Chen, Lifen
Liu, Yifeng
Wang, Feixia
Wang, Siwen
Huang, Yun
Hu, Kai-Lun
Fan, Yuzhi
Liu, Ruoyan
Zhang, Runjv
Zhang, Dan
Article History
Received: 28 August 2021
Accepted: 9 November 2021
First Online: 27 November 2021
Declarations
:
: This study was conducted in accordance with the Declaration of Helsinki and was approved by the Ethnic Committee of the Women’s Hospital, School of Medicine, Zhejiang University (Number: IRB-20200364-R). All data were collected from the electronic medical record system in the department of Reproductive Medicine Center. Data were anonymized and de-identified before analysis. The Ethnic Committee of the Women’s Hospital, School of Medicine, Zhejiang University (Number: IRB-20200364-R) provided a waiver of written informed consent for this study.
: Not applicable.
: The authors declare that they have no competing interests.