Feng, Ting
Cheng, Bei
Sun, Wenchao
Yang, Yuhong
Article History
Received: 9 September 2022
Accepted: 4 November 2023
First Online: 14 November 2023
Declarations
:
: All methods in our study were carried out in accordance with relevant guidelines and regulations or the declaration of Helsinki. The studies involving human participants were reviewed and approved by the Ethics Committee of Obstetrics and Gynecology Hospital of Zhejiang University School of Medicine. The patients/participants provided their written informed consent to participate in this study.
: Not applicable.
: The authors declare no competing interests.