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?
Phenylketonuria (PKU) is a condition where your body can't break down an amino acid called phenylalanine. Learn to recognize PKU symptoms and treatments.
Syphilis during pregnancy can cause serious problems for your baby, including premature birth and even death. Learn how to protect your baby from syphilis.