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What is Ba&;s hydrops fetalis is lethal because and explain in detail?
Ba hydrops fetalis is a lethal complication of alpha thalassemia trait where oxygen can&;t release from hemoglobin. Hb Bas is formed of 4 gamma chains. The oxygen affinity is so high that it releases very little oxygen into the fetal tissues. Reference: Ghai essential of pediatrics, eighth edition, p.no:342