Birth defects and your baby Birth defects can cause problems in overall health, how the body develops or how the body works. Babies with birth defects may need special medical care.
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.
Gestational diabetes Untreated gestational diabetes can cause premature birth and stillbirth. Find out if you may be a risk for gestational diabetes.