7.5 lbs is the average weight of a newborn baby or infant. The weight from 5.8 lbs to 10.5 lbs is the average normal range of newborn baby.
The newborn infant tends to to gain weight in its first few weeks. The average weight nationwide is accepted to be as 7.5 lbs.
As we know that boy baby child or infant tends to be heavier when compared to a girl baby child or infant. Also the diet and nutrition of the mother in pregnancy also decides the weight of the infant.
Less than the minimum and more than the maximum range of the weight is considered to be as abnormal weight.