Medical Must-See: There was something unusual inside this umbilical cord

A string of congenital anomalies is associated with the finding

Umbilical cords can leave you stumped.

Four-vessel umbilical cord

While, in most cases, they contain two arteries and one vein, a finding in BMJ Case Reports shows why, when checking the vessels, you should never stop counting at three.

The discordance was discovered when a full-term neonate experienced respiratory distress in the delivery room.

Born via spontaneous vaginal delivery at 38 weeks' gestation, the pregnancy had been uncomplicated, according to the case report.

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