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.
Heroin and pregnancy Heroin is an illegal street drug derived from opioids. See what impact heroin has on your pregnancy and seek help if you're battling addiction.