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