Abstract: Chronic Energy Deficiency (KEK) in pregnant women is still a serious problem in Indonesia. According to Riskesdas data in 2018, the prevalence of KEK in pregnant women in Indonesia reaches 17.3%. The purpose of this paper is to conduct a literature review to explain the factors associated with the incidence of KEK in pregnant women. There are 10 research articles related to factors related to the incidence of KEK in pregnant women obtained from the results of collection through Google Scholar, Garuda Portal, and Research Gate.