#AskTheExpert he is now 4 month 15 days. now his weight 6.3 ..his birth weight 3.6... now his weight is good?

A. Yea good in the first 3 months, babies put on about 800-900grams each month. From 3-6 months, weight gain reduces to 1/2 kg/month. from 6-9 months, it becomes 1/3, and for 9-12 months, it becomes 1/4 kg. the birth weight doubles in the 4th month and triples when they reach 12 months of age group