Han, Bin
Xu, Mingjun
Funding for this research was provided by:
Science and Technology Achievements and Appropriate Technology Promotion Project of Beijing Municipal Health and Family Planning Commission (2018-TG-21, 2018-TG-21)
Special training program for young and middle-aged scientists of Beijing Obstetrics and Gynecology Hospital affiliated to Capital Medical University (FCYY201716, FCYY201716)
Article History
Received: 6 February 2023
Accepted: 9 June 2023
First Online: 13 June 2023
Declarations
:
: This study was approved by the ethical committee of Beijing Obstetrics and Gynecology Hospital and was registered at clinical trials registry on 13/09/2017 with registration ID: ChiCTR-INR-17012659.All methods were carried out in accordance with relevant guidelines and regulations. The informed consent was signed by every parturient after explanation of aim, risks and benefits of the study.
: Not applicable.
: The authors declare no competing interests.