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.
Zika virus and pregnancy infographic Zika infection during pregnancy causes a birth defect called microcephaly and other brain problems. Learn how to protect yourself from Zika.
Thyroid conditions during pregnancy Untreated thyroid conditions during pregnancy are linked to serious problems. Learn how to have a healthy pregnancy and baby.