Low birth weight matters later, too

Premature babies weighing less than 1.5 kilograms–about 3 pounds, 5 ounces–at birth grow up to have lower achievement scores on standard tests and are less likely to go to college than are full-term babies weighing more than twice as much, a study finds. On the other hand, these premature infants tend to be less mischief-prone as they grow, researchers report in the Jan.