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.
Syphilis in pregnancy Learn about syphilis and pregnancy, including its effects, symptoms, treatment and how to prevent it.