Newborns Considered to Be Premature Are Those Born _____, Whereas

Newborns considered to be premature are those born _____, whereas those considered to be small for gestational age are those born _____.

A) at 35 weeks or earlier; weighing less than 2,500 grams
B) underweight; weighing less than 2,500 grams
C) at 35 weeks or earlier; weighing substantially less than normal for their age
D) at 37 weeks or earlier; weighing substantially less than normal for their age