A case of one fetal demise of twin pregnancy by umbilical artery stricture / 대한주산의학회잡지

A death of one fetus in twin pregnancy is a rare obstetric complication. And the stenosis of umbilical cord artery is a very rare complication of cord abnormalities. The umbilical cord showed a false knot due to accentuation of a vascular spiral with a dilated vein and two arteries with incomplete patency of the lumen. This is the first report of single demise of twin pregnancy due to umbilical artery stenosis and umbilical vein varix.