Results: Prevalence of anemia (Hb<11g / dl), iron deficiency (ferritin<30ng / ml), iron deficiency anemia (Hb<11g / dl and ferritin<30ng / ml) was 17.5%, 42.7% and 9.9%, respectively. Prevalence of iron deficiency (56.1% vs 19.6%, p<0.01) and iron deficiency anemia (12.3% vs 5.5%, p<0.01) was 3 times higher in the last trimester compared to the second trimester.