Kindly let me know the significance of the ultrasound (color Doppler) scan showing only 1 umbilical artery and 2 veins with no other features of congenital anomalies for a 22-week-old IVF gestation.

Isolated single umbilical artery (iSUA) is a congenital condition identified when one of the two normally paired umbilical arteries is absent, without any associated structural or chromosomal ...

Typically, an umbilical cord has two arteries and one vein. However, some babies have just one artery and vein. This condition is known as a two-vessel cord diagnosis. Doctors also call this a single ...