![]() A little mixing of the blood takes place in the liver.Īs the inferior vena cava receives blood from the lower part of the body so mixing of blood also takes place in the inferior vena cava. After the exchange, oxygenated blood moves from the placenta to the fetal circulation through the umbilical vein (80% O2 saturation).įurther, this blood moves towards the liver where sinusoids receive a small amount of the blood and most of the blood goes into the inferior vena cava through ductus venosus (the connection between the umbilical vein and IVC). These arteries further divide into chorionic arteries in the chorionic villi where the exchange of substances takes place. ![]() Fetal blood goes into the placenta through umbilical arteries (58% O2 saturation). The umbilicus has two umbilical arteries and one umbilical vein. Normal Fetal Circulation Umbilical Arteries and Vein Master Medical Sciences with crystal clear concepts. Not a member? Sign up now to access 800+ videos on Basic Medical Sciences & Clinical Medicine. Fetal Circulation Watch Free Online Medical Video Lecture on Fetal Circulation
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