Relationship Between Neonatal Length, Birth Weight and Gestational Age In Term Appropriate For Gestational Age Newborns, A Study Among 380 Newborns In North India
Journal Title: International Journal of Medical and Health Sciences - Year 2013, Vol 2, Issue 1
Abstract
Objective: To look for and establish if there is any relationship between neonatal length, birth weight and gestational age and to try and arrive at a way for estimating neonatal length when only the birth weight and gestational age are known, in the term, appropriate for gestational age (AGA) newborns. Material and Methods: A cross sectional study of all the 380 singleton term babies (209 males; 171females) with birth weights appropriate for gestational age( AGA), examined at the time of birth, born in the two year period, were the study subjects. The Exclusion criteria were: multiple pregnancy, intrauterine growth retardation and major structural or chromosomal anomalies. Stepwise linear regression analysis with gestational age (in days) and weight parameter(in kgs) was employed to yield the best-fit formula for predicting neonatal length (in cms) at birth The relationship between the parameters was arrived at using linear regression analysis using the statistical software SPSS15 Results: We were able to establish a relationship between neonatal length, birth weight and gestational age & arrive at a mathematical derivation for estimating neonatal length for the other two parameters Conclusion: There is a relationship between the neonatal length, gestational age and birth weight which could be worked out in the form of a mathematical formulation. The new formula is relatively easy to use and needs no adjustment to centiles. It allows reliable length estimation in the term AGA newborns.
Authors and Affiliations
Pushpendra Magon, Bharatwaj R. S
Keywords
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