Received: 11 March 2022
Accepted: 2 June 2022
First Online: 14 June 2022
: The authors declare no competing interests.
: The study was approved by Human Ethics Committee of the Fudan University Obstetrics and Gynecology Hospital (Ethics 2021–245). The patient provided written informed consent to participate in this study.
: The patient provided written informed consent for publication of information and images.
: The authors declare that no conflicts of interest exist.