please explain quality of breast feeding

A. If the breastfeeding is proper and has good quality then you’ll see at least that your child would gain about half a kilo kilogram in every month to 1 kg kilogram this is the minimum I’m saying is half a kilo kilo kilogram maximum 1 kg kilo kilogram and if your child is not even gaining 500 g minimum in a month that means your breastfeeding is not working out enough project the child in terms of quality