Background:rnEmergency contraception (EC) is a method used to prevent the occurrence of pregnancy after unprotectedrnintercourse. Unwanted pregnancy is a common problem among young unmarried women in Ethiopiarnwhere more than 60% of all pregnancies among adolescents is unwanted. Despite the availability thisrnmethod, the prevalence of abortion is still high however, little is known about use of EC and factorsrninfluencing its use among girls attending higher education in Ethiopia.rnObjective: To assess magnitude and factors affecting emergency contraceptive use and prevalence ofrnunwanted pregnancy among female students in Aksum University.rnMethod: A cross-sectional quantitative study was done among 628 female under graduate students inrnAksum University using structured self administered questionnaire. Multistage sampling technique wasrnused to select participants. Data were cleaned and analyzed using SPSS version 21. Multivariate logisticrnregression analysis was done to identify independent predictors of EC and variables with p-value