my baby birth weight was 2.1 kg , now she 3.5 mo old and her weight is 4.4 kg. is it normal. she exclusive on breast milk.

A. It’s very good your child has gained 2300 g which is ideally a very healthy weight gain it’s better than expected weight gain which is supposed to be there as by the age of 3 1/2 months complete your child should have been 1750 g more than the birth of your child is 2300 g more than the birth which is very healthy