Background: -Emergency contraceptive (EC) is a type of modern contraception that is indicatedrnafter unprotected sexual intercourse or contraceptive failure. Use of EC with in defined timernperiod could prevent unwanted pregnancy and its contingency like unintended child birth unsafernabortion any extended family.rnObjective: -The aim of this study was to assess the level of knowledge, attitude and practice onrnEmergency Contraceptive among women, attending antenatal care at ALERT Hospital in 2020,rnAddis Ababa, Ethiopia.rnMethods: -An Institution based cross-sectional descriptive study involving 284 women whornattended antenatal care at ALERT Hospital. Three trained data collectors were involved in datarncollection process. Data was collected after obtaining verbal informed consent from thernrespondents. Data has been continuously collected until the required sample size is obtained. Datarnhas been collected using pre-tested structured questionnaires rgeb interview technique. The datarnwas coded and entered into EPI-INFO version 7 and transported and analyzed using SPSS versionrn25 for analysis. Descriptive analysis was applied to estimate the Emergency contraceptive use andrndescribe the study participants.rnResults: -From total of 267 respondents 231(86.5%) heard about Emergency contraception.rnAmong them 164(61.4%) know Emergency oral contraception, 60(22.5%) know only Intrauterinerndevice (IUCD) and 11(4.1%) know both Emergency oral contraception and IUCD. of respondentsrnhard about Emergency contraception only 53(19.9%) had positive attitude and from 231rnrespondents who ever heard about Emergency contraception 120(44.9%) mentioned they hadrnused OEC at least one time.rnConclusion and RecommendationrnThis study showed that the major barrier to use of EC is low attitude towards EC. Thereforernproviding health education in health facilities would be important to change the attitude about EC.