Hello, my baby birth weight was 3.09 kg and now after 2 month 20 days her weight is 4.5 kg. Is this normal?

A. Hello ma’am Your child has gained about 1 1/2 KG in two months which is a good weight gain so need not worry about it because it’s the same way if a child is gaining about 500 g to 1 KG every month then that’s a very healthy weight gain and if the birth weight is double by the age of six months and three times by the age of 12 months and that is an ideal and healthy