In a normal pregnancy with not a single sign of complications are blood draw tests necessary for everything? Blood pressure is normal, no sign of sugar or protein in urine, fetal heartbeat strong. I'm severely needle-phobic and the only time we tried to do a blood test this time shot my blood pressure up extremely high then dropped it like a rock down to barely there...the doctor I had seems to think it doesn't matter and that every test including amniocentesis should be done on a 'just in case' basis.