[1] Wollega University,Department of Public Health, Institute of Health Sciences
[2] Wollega University,Department of Obstetrics & Gynecology, School of medicine, Institute of Health Sciences
[3] Asosa University,Department of Public Health, College of Health sciences
[4] Addis Ababa University,Department of Reproductive Health and Health Service Management, College of Health Sciences
[5] Wollega University,Department of Nursing, Institute of Health Sciences