Lu, Zhiying
Chen, Yisong
Wang, Xiaojuan
Li, Junwei
Hua, Keqin
Hu, Changdong http://orcid.org/0000-0003-4405-5962
Article History
Received: 3 November 2020
Accepted: 28 May 2021
First Online: 8 June 2021
Declarations
:
: This study was approved by the Ethics Committee of the Obstetrics and Gynecology Hospital of Fudan University (no. 2019–32). All patients were given the written informed consent to the surgical procedure and to the use of individual data for research.
: All patients were given the written informed consent to the surgical procedure and to the use of individual data for research.
: The authors declare that they have no competing interests.