“…One writer has estimated that the range in age of newborn babies who are viable, or capable of living, is as wide as from twenty-six to fortysix weeks (24). Although the average birth weight is a little above seven pounds for girls, and a little under seven and a half for boys, babies have survived who weighed as little as one and a half pounds or even less (27). However, according to findings reviewed by Benton, it is unlikely that a child weighing less than about two and a half pounds will survive, and the chances of survival increase with added weight up to four or five pounds (5).…”