Diao, Junrong
Gao, Ge
Zhang, Yunshan
Wang, Xinyan
Zhang, Yinfeng
Han, Ying
Du, Aijun
Luo, Haining
Article History
Received: 2 February 2021
Accepted: 31 May 2021
First Online: 6 July 2021
Declarations
:
: The study was approved by the Ethics Committee of the Tianjin Central Hospital of Obstetrics and Gynecology (Protocol number: ZY2019002). All participating patients were informed that their clinical data may be used for academic research in the future before entering the IVF-ET/ICSI cycle and signed written informed consents. The research was conducted ethically in accordance with the World Medical Association Declaration of Helsinki.
: Not applicable.
: No author has any potential conflict of interest.