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.
What is full-term? A full-term pregnancy lasts between 39 weeks and 40 weeks, 6 days. Babies born full term have the best chance of being healthy.