Article History
Received: 9 October 2020
Accepted: 14 January 2021
First Online: 17 February 2021
Ethics approval and consent to participate
: The letter of ethical clearance received from the Institutional Review Board of Hawassa University in the Reference number of 212/11, while permission letter obtained from the clinical director office of Hawassa University Comprehensive Specialized Hospital for getting necessary information concerning the individual maternal medical record charts.
: Not applicable.
: The authors declare no competing interest.