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.
Congenital Zika syndrome Congenital Zika syndrome is a group of conditions caused by Zika infection during pregnancy. Learn about the medical care babies with this syndrome may need.
Marijuana and pregnancy Using marijuana during pregnancy may cause harm to your baby. Learn about the effects of marijuana and how to seek help to quit.