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?
Health disparities and birth defects Health disparities have been observed among babies with birth defects from certain racial and ethnic groups.
What is full-term? A full-term pregnancy lasts between 39 weeks and 40 weeks, 6 days. Babies born full term have the best chance of being healthy.