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.
Prescription opioids during pregnancy Prescription opioids are painkillers that include codeine, morphine and oxycodone. Taking opioids during pregnancy can cause serious problems for your baby.
Preexisting diabetes If you're pregnant and have preexisting diabetes, you and your baby may face some health concerns. Learn how diabetes affects your pregnancy.