The greatest risk to these children is underdeveloped lungs, Dr. Sinkin said.

All the children had underdeveloped lungs and had to be incubated in intensive care for nearly two months.

She still needs oxygen for her underdeveloped lungs and needs several different drugs every day.

Infants born early are more likely to be low weight and suffer complicated health problems including underdeveloped lungs.

Affected infants have short arms and legs, a small chest with short ribs, and underdeveloped lungs.

She weighed 4 pounds, 4 ounces and struggled to breathe with a pair of underdeveloped lungs.

Hera had been born with underdeveloped lungs and Cottle uses this fact as the cause of her death.

Ms. Marin's daughter, Jasmine, was born nearly three months premature with underdeveloped lungs.

Severely premature infants may have underdeveloped lungs, because they are not yet producing their own surfactant.

These infants have underdeveloped lungs and impaired lung function.