i want to know whether foetal biometry in 33 weeks and 6 days is normal or not.my foetal biometry is as follows LMP:09/05/12 EDD:13/02/2013, B.P.D=80mm, H.C=297mm, A.C=276mm, F.L=64mm(30W 3D) E.F.B.W=1951 +/-230gms( 10 to 20th tile) F.H.R=156/Bpm, presntation - cephalic with fetal spine to the left, placenta - Anterior, well above internal os. Liquor - Diminished, Amniotic fluid index-7