Patent Ductus Arteriosus (PDA)

When a baby is in the womb, it doesn't use its lungs. The oxygen in its blood comes from its mother. Because of this, an unborn baby has a special blood vessel called the "ductus arteriosis." It connects the baby's aorta and pulmonary artery. Soon after birth, this vessel should close. But with this condition, it stays open. This can cause serious issues.