Congenital Diaphragmatic Hernia, or CDH, is a birth defect with complications that can be difficult to understand. The hernia ultimately inhibits lung growth, causing breathing or other problems after birth. Learn about the cause of the defect and how it affects the baby’s organs.

Find out more about the two main effects of CDH here:
   • CDH Part 2: CDH Pulmonary Hypoplasia  
   • CDH Part 3: CDH Pulmonary Hypertension