The IUD is one of the most effective long-term use methods of contraception but has a side effect ofincreased menstrual blood volume. The purpose of this study was to determine whether there is arelationship between the length of use of IUD against hemoglobin levels. The design of this research isanalytic correlation with cross sectional approach. Population of 49 AKDR acceptors in PandanwangiVillage Working Area Puskesmas Pandanwangi Malang. The number of samples were 33 respondents.Sampling using stratified random sampling. Data collection uses observation sheets and hemoglobinlevels checks using the GCHb Easy Touch digital stick via home visits. Analysis of this research datausing Spearman Rank Correlation. Based on statistical test with α = 0,05 got value of r counted -0,531with value ρ value 0,023 (ρ = <0,05) which means that Ho rejected means there is relationship betweenlong use of Intrauterine Contraception (IUD) to Hemoglobin Level. Therefore, women with an anemictendency are not advised to use the IUD contraceptive method.Keywords: Duration of IUD Use, Hemoglobin Level