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.
Congenital cataracts Learn about congenital cataracts, rare birth defects of the eye that can cause vision problems or blindness.
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.
Ultrasound during pregnancy An ultrasound is a prenatal test to check your baby's growth and development and to monitor their health. There are different types you can receive.