Down syndrome Down syndrome affects your baby's learning and development, and presents some physical problems. What causes Down syndrome and how can you test for it?
Achondroplasia Achondroplasia is a birth defect that prevents a baby's cartilege from turning into bone as it should. Learn how achondroplasia is treated.
Marfan syndrome Marfan syndrome is a birth defect that affects the body's connective tissue. Learn the signs and symptoms of Marfan syndrome and how it's treated.