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.
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.
Bleeding and spotting from the vagina during pregnancy Bleeding or spotting during pregnancy are common, but you should contact your health care provider to make sure everything's okay.