BACKGROUND: Weight changes in the early weeks of life are important indicators of newborn wellness. Research aim: This study aimed to determine the weight trend in healthy late preterm and term neonates and also the factors affecting weight trend in healthy late preterm and term neonates in first 14 days of life. METHODS: Eligible newborns daily weights was assessed on electronic digital weighing scales. Weights were recorded daily during the hospital stay and later on daily till 14 days of life. Daily weight loss in grams, maximum weight loss in percentage, time to reach birth weight were noted. RESULTS: Among the among 320 healthy Term and Late preterm neonates, showed Mean weight loss was 6.35±2.2%. Majority of neonates lost between 5-10% of their birth weight. 41.2% of them lost maximum weight from their birthweight by day 5 and 20.9% lost maximum weight from their birthweight by day 4. Average per day weight loss in grams was 28.7±3.4. majority of neonates attained their birth weight within 8-14 days. CONCLUSION: Out of 320 new-borns has weight loss with maximum in between Day 4 to Day 5 followed by a weight gain with majority of neonates reaching their birth weight by end of14 days of life. Maximum weight loss mean of study population was 6.35±2.2%. Factors affecting excess weight loss of 7% were weight for gestational age, Time of initiation of breast feeding, Anatomical problems in breast feeding and Type of feeding.