The finding of a single umbilical artery on examination of the umbilical cord after delivery is:
Insignificant
Occurs in 10% of newborns
An indicator of considerably increased incidence of major malformation of the fetus
Equally common in newborn of diabetic and nondiabetic mothers
Ans. is c, i.e. An indicator of considerably increased incidence of major malformation of the fetusRef: Williams Obs 23/e, p 582Single Umblical ArteryIt is seen in 07-0.8% cases of single pregnancy and 5% of twin pregnancyMore common in diabetic patients and black patients.Finding of a single umbilical artery is not insignificant and is associated with:i. Congenital malformations of the fetus in 20-25% cases amongst which cardiovascular and genitourinary anomalies are common.ii. Increased chances of abortion, prematurity, IUGR and perinatal mortality.
Fetus Placenta & Fetal Membrane