Blood Circulation in the Fetus and Newborn Blood Circulation in the Fetus and Newborn How does the fetal circulatory system work? During pregnancy, the fetal circulatory system works differently than after birth: The fetus is connected by the...
Congenital Heart Disease Congenital Heart Disease According to the American Heart Association, about eight of every 1000 babies born in the United States has a congenital (present at birth) heart defect--a problem that occur...
Patent Ductus Arteriosus (PDA) Patent Ductus Arteriosus (PDA) Click Image to Enlarge What is PDA? PDA is a heart problem that is usually noted in the first few weeks or months after birth. It is characterized by a connection betwe...