Microtia and anotia Microtia and anotia are birth defects of the ear. Learn about risk factors for microtia.
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.
Amniotic fluid Amniotic fluid is the fluid surrounding your baby in your uterus. Learn how amniotic fluid keeps your baby healthy.