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.
Rh disease RH factor is a protein on some people's red blood cells. Learn how RH disease affects your baby and how to prevent it.
Placental abruption Placental abruption is when your placenta detaches from your uterine wall before birth. Learn about placental abruption symptoms, its effects and its treatment.
Isotretinoin and other retinoids during pregnancy If you're pregnant, oral retinoids may increase your baby's risk for birth defects. Learn how to protect your baby from the effects of isotretinoin.