Enteral Iron Supplementation.

Iron is an essential element for fetal and neonatal development. It is an important component of hemoglobin and plays an important role in delivering oxygen to the body. Iron also plays a critical role in brain development, and iron deficiency can be described on a spectrum, from mild to severe. The role of iron in fetal and neonatal development, iron deficiency, indices for monitoring iron, indications for and dosing of enteral iron, and contraindications are described in this column.