BackgroundIntrauterine Contraceptive Device (IUCD) is a highly effective and reversible modern contraceptive, which is still significantly underutilized in Ethiopia. The aim of this study was to identify factors affecting the use of IUCDs among women of reproductive age group in Addis Ababa. OPEN ACCESSCitation: Dereje N, Engida B, Holland RP (2020) Factors associated with intrauterine contraceptive device use among women of reproductive age group in Addis Ababa, Ethiopia: A case control study. PLoS ONE 15(2): e0229071. https://doi.org/ 10.The findings of the study reinforce the need of husbands/partners involvement in the interventions to enhance utilization of IUCD. Moreover, due attention should also be provided for delivering IUCD-related messages in the public mass-media.Factors associated with intrauterine contraceptive device use PLOS ONE | https://doi.