The purpose of this study was to study the factors associated with the incidence of anemia in third trimester pregnant women. Research design This study was a cross sectional study The results of this study showed no significant relationship between age and anemia in third trimester pregnant women (p = 0.23). The results of this study indicate a significant relationship between pregnant women with the incidence of anemia in third trimester pregnant women (p = 0.041). The results of this study also showed a significant relationship between the distance of pregnancy with the incidence of anemia in third trimester pregnant women (p = 0.04). The results of this study showed no significant relationship between the frequency of ANC with the incidence of anemia in third trimester pregnant women (p = 0.30). The conclusion in this study is related to the number of pregnancies and the distance of pregnancy with the incidence of anemia in third trimester pregnant women. There is no significant relationship between age and frequency of ANC with anemia in trimester III pregnant women. Keywords: Anemia Factor, Third Trimester Pregnant Women