Jiao, Jing
Du, Yanran
Li, Xiaokang
Guo, Yi http://orcid.org/0000-0002-7142-2871
Ren, Yunyun
Wang, Yuanyuan
Funding for this research was provided by:
National Natural Science Foundation of China (61871135, 81627804, 81830058)
Science and Technology Commission of Shanghai Municipality (20DZ1100104)
Article History
Received: 3 June 2021
Accepted: 30 December 2021
First Online: 4 January 2022
Declarations
:
: This study was approved by the Ethics Committee of Obstetrics and Gynecology Hospital Affiliated to Fudan University, Shanghai, China (No. 2018-73). All participating women had provided written informed consent for use of the data. All methods were carried out in accordance with relevant guidelines and regulations.
: Patients signed informed consent regarding publishing their data and photographs.
: The authors declare that they have no competing interests.