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.
HIV and pregnancy HIV is an infection that attacks your immune system. Getting tested early and getting treated can protect your baby. Learn about HIV and pregnancy.