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A 47-year-old member asked:

Why is the hb concentration in a newborn/neonate is high?

1 doctor answer2 doctors weighed in
Dr. Carlos Jesurun
Neonatology 49 years experience
Physiologic reason: Fetal Hemoglobin holds on to oxygen greater than adult hemoglobin so to deliver more oxygen to the tissues, the body needs more red cells carrying a greater amount of hemoglobin. There are certain conditions associated with too high a hemoglobin that make the blood too thick causing harm to the baby.
Last updated Nov 9, 2015


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