Wang, Meng
Huang, Rui
Liang, Xiaoyan
Mao, Yundong
Shi, Wenhao
Li, Qian
Funding for this research was provided by:
Fertility Research Program of Young and Middle-aged Physicians in 2019
Article History
Received: 23 May 2022
Accepted: 24 July 2022
First Online: 8 August 2022
Declarations
:
: The present study obtained approvals from the Ethics Committees at the Sixth Affiliated Hospital of Sun Yat-sen University (2020ZSLYEC-295), Northwest Women’s and Children’s Hospital (2019013), and Jiangsu Provincial Hospital (2020-SR-046). The written informed consents were waived by the ethics committees because it is a retrospective study.
: Not applicable.
: The authors declare that they have no competing interests.