my baby girl is 5month 3days old.weight is 5.1kg,her birth weight is 2.520kg,is it normal weight gain,baby is exclusively breastfeeding

A. hi, yes babies weight is fine as per his age The average gain of a newborn baby in a month is 175 to 200 grams per week. You can count it to be 700-800 (approx.) grams per month. The baby is certified to double its weight in five or six months if enough nutrition has been received.