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.
Exercise during pregnancy With your provider's OK, exercise during pregnancy is usually safe. Here's what you need to know about exercising while pregnant.