my twins baby girl completed 3 mnths tdy..but one is 3.7 and one is 4.1 ..is it ok?

A. Hello The current weight of your child would completely depend on the birth weight of your child since you have not mention that I cannot tell you anything for that I would just like to tell you that the great of course can vary even if their tweets that does not matter but as of now I feel the weight is quite less