Chairat, Thanyawalai
Ratinthorn, Ameporn
Limruangrong, Piyanun
Boriboonhirunsarn, Dittakarn
Article History
Received: 20 May 2022
Accepted: 22 April 2023
First Online: 5 May 2023
Declarations
:
: Ethical approval for the study was obtained from the Institutional Review Board of the Faculty of Medicine, Siriraj Hospital, Mahidol University (COA. no. si319/2019), 2) the Institutional Review Board of the Faculty of Medicine, Thammasat University Hospital (COA. no. 106/2652), 3) Human, Ethics Research Committee, Somdechphrapinklao Hospital, Naval Medical Department (COA. no. 016/62), 4) Human Ethics Research Committee, Nakhonpathom hospital (COA. no. 011/2019), 5) Human Ethics Research Committee, Rajavithi hospital, 6) Human Ethics Research Committee, Pathum Thani hospital, 7) Human Ethics Research Committee, Nopparat Vajira hospital, 8) Human Ethics Research Committee, Samutsakhon hospital, 9) Human Ethics Research Committee, Samutprakan hospital, and 10) Human Ethics Research Committee, Krathumbaen hospital. After receiving the ethical approval, permission to access the patient’s profile or labor record was obtained from each hospital's director. In addition, written informed consent was obtained from all participants before the beginning of data collection. The methodology was carried out in accordance with relevant guidelines and regulations.
: Not Applicable.
: The authors declare that they have no competing interests.