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.
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.
Premature babies Premature babies are born before 37 weeks of pregnancy, before they are fully developed. Learn how to care for your premature baby.