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.
Heroin and pregnancy Heroin is an illegal street drug derived from opioids. See what impact heroin has on your pregnancy and seek help if you're battling addiction.
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.