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Background: A gestational age specifi c birth weight, length and head circumference centile chart will help to identify intrauterine growth of a baby. Since the fi rst published gestational age specifi c anthropometric study done in Nepal by Manandhar DS et al in 1993-94, there have been signifi cant changes in socioeconomic conditions with improved health indicators. This study was done for identifying any changes in anthropometric measurements of the newborns born at Kathmandu Medical College Teaching Hospital (KMCTH). Objectives: To produce gestational age specifi c birth weight, length and head circumference centile charts of the newborn babies born at KMCTH and to calculate incidence of low birth weight (LBW) babies at KMCTH. Methods: This is a cross sectional observational study. Study was done at labour room, operation theatre, special care baby unit and postnatal wards of KMCTH. Study period was from 18th Aug 2011 to 28th Nov 2012 (15 months duration). Within 24 hours of birth, baby’s weight, length and head circumference were measured by medical offi cers and post graduate Residents of the Paediatrics Department. Mother’s weight, height and ethnicity were also recorded. Maturity of the baby was assessed by maternal history and corroborated by using modifi ed Ballard score and Obstetric USG (Ultra sonogram) fi ndings. Data were entered in excel database programme and later transferred into SPSS (Statistical package of social science) 16. Mean, standard deviation, range and percentiles values at different gestational age specifi c groups were calculated