Did you know that the umbilical cord has two arteries and one vein that are protected from crimping by a substance called Wharton’s Jelly? It keeps the cord rigid and flexible to protect the blood’s ability to flow through the cord even with a knot!

(The cord in this video snippet has already been clamped and cut, and no blood was flowing through it when the midwife knotted it to demonstrate how Wharton’s Jelly makes the cord rigid and flexible to protect babies. If blood is still flowing through an umbilical cord, it’s even more rigid … like a hose with the water on full pressure!)

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