Umbilical cord has
This tube of amnion and the structures within it constitutes the umbilical cord.T his cord contains two umbilical aeries and one umbilical vein. REF HUMAN EMBRYOLOGY; Inderbier singh; Tenth edition; Page 67
2 veins and 1 aery
1 aery and 1 vein
2 aeries and 1 vein
2 aeries and 2 veins
General anatomy