The Turkish Journal of Pediatrics 2011 , Vol 53 , Num 2
Ponderal Index of Large-for-Gestational Age Infants: Comparison Between Infants of Diabetic and Non-Diabetic Mothers
Neonatology Unit, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey Ponderal index (PI) is a weight-height related parameter that is mainly used to assess the pattern of fetal growth in small-for-gestational age infants. We aimed to use PI for large-for-gestational age (LGA) infants who were born to diabetic or non-diabetic mothers, in order to predict the fetal growth pattern. One hundred sixty-six LGA infants born at the Department of Obstetrics, Hacettepe University Hospital, Ankara, Turkey were included in the study. The PI was calculated by using the following formula: PI = weight (g) x 100/(height, cm)3. Sixty-seven (40%) of these infants were born to diabetic mothers. Maternal age, maternal weight and maternal weight gain during pregnancy were similar in the diabetic and non-diabetic groups. Mean birthweight, height and head circumference were similar in both groups, but median PI of infants of diabetic mothers was significantly higher than of infants of non-diabetic mothers (3.02 and 2.89, respectively, p<0.05). Fetal growth was different between LGA infants of diabetic and non-diabetic mothers, and PI provided useful information on the proportionality of fetal growth in LGA infants. Keywords : large-for-gestational age infants, ponderal index.
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