my baby is 2 months and 4 days old his birth weight was 3.5 now his weight is 4.5 he is ok ???please answer

A. A child is expected to gain 500 g in a month if you look at the age of the child and the weight of your child it is very much appropriate as expected so there’s nothing for you to be worried as of decent weight and expected weight gain that your child is showing as of now