Ponderal index is:
Square root of height in feet by weight in grams
Weight in kilograms by cube of height in meters
Mid-upper arm circumference to head circumference ratio
Head circumference to abdominal circumference ratio
Ans: B. Weight in kilograms by cube of height in meters(Ref Dafiary Manual of Obstetrics 3/e p199)Ponderal Index:Calculated by multiplying weight in grams by hundred and then dividing by cube of length in cm.Ponderal index = Bih weight (gm)/ Length (cm)3 x 100Interpretation:Usually less than 2 in asymmetric growth retardation.2 or more in babies with normal growth or symmetric growth retardation.