Congenital diaphragmatic hernia ranges in severity. It may be mild and have few or no effects on the baby, or it can be more serious and affect the ability to bring oxygen to the rest of the body. Babies born with CDH may have: CDH 
Severe trouble breathing due to small lungs that don't work well (pulmonary hypoplasia).
A type of high blood pressure that affects the arteries in the lungs and the right side of the heart (pulmonary hypertension).
Problems with development of the heart.
Damage to the intestines, stomach, liver and other abdominal organs if they move through the hernia into the chest.
