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