Which statement below accurately describes the role of the ductus arteriosus?

The ductus arteriosus helps connect the umbilical artery to the inferior vena cava.

The ductus arteriosus only carries oxygenated blood from the left side of the heart to the right side.

The ductus arteriosus is found between the right and left atrium.

In fetal circulation, the pulmonary artery and aorta are connected via the ductus arteriosus.