Kitamura, Tomomi
Obara, Hiromi
Honda, Mari
Mori, Tomoko
Ito, Tomoo
Nagai, Mari
Rattana, Sommana
Rathavy, Tung
Sugiura, Yasuo
Article History
Received: 8 June 2022
Accepted: 9 September 2022
First Online: 4 October 2022
Declarations
:
: This study was conducted after receiving ethical approvals from National Ethics Committee for Health Research, Cambodia (reference number: 255NECHR, obtained on 27/6/2016), National Institute of Public Health, Lao PDR (reference number: 065/2015 NIOPH/NECHR, obtained on 3/11/2015), and the Institutional Review Board of the National Center for Global Health and Medicine, Japan (reference number: 1849, obtained on 17/8/2015). Written informed consent was obtained from all the healthcare workers who were involved in the uncomplicated spontaneous deliveries during the observation periods in the target hospitals.
: Not applicable.
: The authors declare that they have no competing interests.