Assefa, Endalkachew Mekonnen http://orcid.org/0000-0002-5880-0399
Article History
Received: 26 May 2017
Accepted: 28 October 2019
First Online: 14 November 2019
Ethics approval and consent to participate
: The study was submitted to and approved by Addis Ababa University College of health sciences department of obstetrics and gynecology research publication committee and Addis Ababa Health Bureau Institutional review board. Informed written consent was obtained from all participants.
: Not applicable
: The author declares that he/she has no competing interests.