How Does The Fetal Circulation Bypass The Lungs?

How Does The Fetal Circulation Bypass The Lungs? Fetal circulation bypasses the lungs via a shunt known as the ductus arteriosus; the liver is also bypassed via the ductus venosus How does the fetal circulatory system work? Oxygen and nutrients from the mother’s blood are transferred across the placenta to the fetus through the umbilical