How does one figure out a healthy weight for a child? Is there a website for this?

Between 5'8"&8'8" Many factors affect final birth weight, but in general the healthiest babies are born between 39 and 41 weeks and weigh between 5lbs8oz. And 8lbs8oz. Some factors such as heredity and the parents birth weights cannot be controlled but good and sensible nutrtion, vitamin supplements and good prenatal care go a long way to insuring a healthy baby!