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.
Low birthweight Low birthweight is when a baby is born weighing less than 5 pounds, 8 ounces. Learn about the causes, risks and health-related effects of low birthweight.
Birth control Birth control helps keep you from getting pregnant. Learn about birth control options and find out about side effects and benefits of each method.