Pediatrics IUGR and Feeding of Preterm Neonate 6f107249 What is the ponderal index of a neonate with bih weight 2kg and length 50 cm: A 1.6 B 3.6 C 2.2 D 2.6 High-Yield Explanation Ponderal Index (PI) in Neonate = Weight (gm)/ Length (cm)3 x 100 = In this case, PI = 2000/(50)3 x 100 = 1.6