Feng, Yi
Shi, Cuixia
Zhang, Chengyan
Yin, Chenghong
Zhou, Li
Funding for this research was provided by:
Capital’s Funds for Health Improvement and Research (2020-2-2113)
Article History
Received: 11 March 2023
Accepted: 16 September 2023
First Online: 23 October 2023
Declarations
:
: The authors declare no competing interests.
: The participants provided the informed consents before assigned into the groups. This study is approved by the ethical committee of Beijing Obstetrics and Gynecology Hospital, Capital Medical University (2020-KY-033-01). All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: All the authors have nothing to declare.