Anemia, the most common hematological abnormality in the world, is a reduction in concentration of erythrocytes or hemoglobin in blood. The most frequent cause of anemia in pregnancy is nutritional-derived iron deficiency, and in the puerperium, acute blood loss. Iron requirements increase during pregnancy, and failure to maintain iron levels may lead to serious and adverse consequences for both the mother and the developing fetus and newborn. From a global perspective, anemia during pregnancy is more frequent and severe in countries with poor social and economic development. Consensus recommendations define anemia as hemoglobin level (Hb) <10.5 g / dL during pregnancy and <10 g / dL during the postpartum period, cut-off values to initiate therapy with oral iron, intravenous iron or red blood cell transfusion. This paper attempts to compile recommendations for a safe and effective treatm...