The percentage of HbF at birth is:: (A) 20%, (B) 50%, (C) 70%, (D) 90%
Answer is C. Ans. is c, i.e. 70%Ref NelsonDuring Intrauterine life HbF=90%At birth HbF=70%At 6 months after birth HbF=1-2%In Adults (HbF) is in traces.