Most cords have one vein and two arteries. The vein carries oxygenated blood from the placenta to the baby and the arteries carry deoxygenated blood from the baby to the placenta. In approximately 1% of pregnancies there are only two vessels —usually a …

2023年5月27日 · Your baby’s umbilical cord should have two arteries and one vein. It is often referred to as a three-vessel cord. Sometimes one of the arteries is missing, usually the left one. If your...

2024年2月27日 · 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.

2021年1月4日 · Single umbilical artery (SUA) is the most common malformation of the umbilical cord. On its own, SUA does not necessarily pose a risk to you or your child as an umbilical cord with just one artery is sufficient to support a pregnancy to term.

2024年9月11日 · Oxygen, nutrients and essential blood supply reach the baby’s bloodstream through the umbilical cord, which normally has three blood vessels: two arteries and one vein. However, sometimes, there are abnormalities in the umbilical cord.

2023年4月13日 · A single umbilical artery (SUA) is an umbilical cord that has only one artery instead of the normal two. This condition is sometimes known as a two-vessel umbilical cord.

2024年8月22日 · Single umbilical artery is a congenital absence of either the right or left umbilical artery. In the usual situation, there are paired umbilical arteries. For unknown reasons, the absence of the left umbilical artery is much more common (~70%).

Occasionally, primary agenesis or secondary atrophy of one of the arteries occurs resulting in single umbilical artery. KEY WORDS: Congenital anomalies, single umbilical artery, two vessel umbilical cord. We are presenting a newborn baby born with an …

2024年4月30日 · There's one vein and two arteries. But sometimes the cord has one vein and just one artery. In that case, it's called a single umbilical artery. It's sometimes called a two-vessel cord. The placenta sends nutrients and oxygen to your baby through the vein. The artery takes waste to the placenta.

What is a single umbilical artery? The umbilical cord usually consists of two umbilical arteries and one umbilical vein. Some umbilical cords carry only one umbilical artery and one umbilical vein. How does SUA happen? Three theories are described to explain SUA occurrence.