My wife is pregnant, her date of delivery is 27-12-2016, on 25th Nov. her HB was count 5.3 and doctor advice for blood transfusion atleast 3 unit. After blood transfusion, Iron injection her HB is 8.8. Her pregnancy is normal, and she taking the iron and calcium tablets. Now i want to know that in the normal condition, the HB is Ok for pregnancy or not????