Achondroplasia Achondroplasia is a birth defect that prevents a baby's cartilege from turning into bone as it should. Learn how achondroplasia is treated.
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.