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?
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.
Why at least 39 weeks is best for your baby If your pregnancy is healthy, it’s best to stay pregnant for at least 39 weeks. Wait for labor to begin on its own.