Are there 2 arteries and 1 vein?

The umbilical cord usually contains two arteries and one vein. The vein carries the oxygenated blood from the placenta to the fetus. The arteries carry the deoxygenated blood and the waste products from the fetus to the placenta.

Is two umbilical arteries normal?

Usually, an umbilical cord has two arteries, along with a single vein, making a total of three vessels. The vein carries oxygen and nutrients to your baby, and the arteries remove waste products. A two-vessel cord is more common in twin pregnancies, or when the cord has inserted at the edge of the placenta.

Is a two-vessel cord high risk?

Pregnancy complications. If your doctor doesn’t find any other abnormalities, a two-vessel cord isn’t likely to impact your pregnancy. The baby is most likely to be born completely healthy. After delivery, there is no use for these arteries.

What is the meaning of 2 arteries 1 vein?

INTRODUCTION. The umbilical cord typically contains two arteries and one vein. Single umbilical artery (SUA) refers to a variation of umbilical cord anatomy in which there is only one umbilical artery. It may be an isolated finding, or associated with aneuploidy or other congenital anomalies.

What does a 2 vessel cord mean in pregnancy?

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 umbilical artery (SUA). According to Kaiser Permanente, an estimated 1 percent of pregnancies have a two-vessel cord.

Why does umbilical cord have two arteries?

The vein carries oxygen and nutrients from the placenta (which connects to the mother’s blood supply) to the baby. The two arteries transport waste from the baby to the placenta (where waste is transferred to the mother’s blood and disposed of by her kidneys).

Should I worry about single umbilical artery?

Sometimes one of the arteries is missing, usually the left one. If your umbilical cord only has one artery, it increases your risk for fetal anomalies. Single umbilical artery risks. Single artery umbilical cord problems only happen in around 1% of pregnancies, although the risk increases to 5% for twin pregnancies.

Do 2 vessel cord babies come early?

Babies with a two-vessel cord may also be at higher risk for not growing properly. This could include preterm delivery, slower-than-normal fetal growth, or stillbirth. Your doctor can discuss these individual risks with you.