Pediatrics Bart’s hydrops fetalis is lethal because: A Hb Bart's cannot bind oxygen B The excess a-globin form insoluble precipitates C Hb Bart's cannot release oxygen to fetal tissues D Microcytic red cells become trapped in the placental 💡 Explanation Bart's hydrops fetalis is lethal because: ✓ Correct Answer: C. Hb Bart's cannot release oxygen to fetal tissues