Newborn jaundice Newborn jaundice is a yellowing of a baby's skin caused by a buildup of bilirubin. Learn how babies are checked and treated for jaundice.
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.
Pregnancy after age 35 If you get pregnant after 35, you may need prenatal tests to check for birth defects. Learn about pregnancy after 35.