Number of umbilical arteries

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How many umbilical arteries are there?


Not too many people know that the umbilical artery is a paired artery that is found in the abdominal and pelvic regions. Needless to say, in the fetus, it extends into the umbilical cord.  Keep in mind that most cords have one vein and two arteries. The main idea is that the vein carries oxygenated blood from the placenta to the baby and the arteries carry deoxygenated blood from the baby to the placenta.  Believe it or not, in approximately 1% of pregnancies there are only two vessels —usually a single vein and single artery.

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