David L. Woods, MBChB, MD, DCH Emeritus Associate Professor, Department of Child and Adolescent Health, Division of Neonatal Medicine, University of Cape Town, Rondebosch, South Africa.
Dr. Woods points out that delaying umbilical cord clamping for 3 minutes after delivery allows for substantial transfusion of blood from the placenta to the newborn. This extra blood protects the child from iron deficiency, producing a 45% increase in iron stores that is measurable at 4 months of age.