Jiao, Jing
Du, Yanran
Li, Xiaokang
Guo, Yi https://orcid.org/0000-0002-7142-2871
Ren, Yunyun
Wang, Yuanyuan
Funding for this research was provided by:
National Natural Science Foundation of China (61871135)
National Natural Science Foundation of China (81627804)
National Natural Science Foundation of China (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.