hi madam/ Sir, my baby 3 .5 month old hws weight is 5 kg it is normal or what please let me know 🙏

A. You have to calculate the weight on the basis of the birth rate of the child or child should be 1750 g more than the birth weight as of now because every month we expect a gain of 500 g according to you value you have a fair idea whether this is proper or not