single umbilical artery or 2 vessels in umbilical cord instead of 3? - May 2020 Babies | Forums | What to Expect
Newmomsforum - Let's talk about babies who have two vessel cords, also known as SUA (Single Umbilical Artery). Typically, an umbilical cord has two arteries and one vein (left side pic).
![An Absent Right Umbilical Artery Versus Absent Lt and the Prognostic Implications for the Fetus - Jennifer Durant, Douglas Helm, Karen Having, Joy Guthrie, 2015 An Absent Right Umbilical Artery Versus Absent Lt and the Prognostic Implications for the Fetus - Jennifer Durant, Douglas Helm, Karen Having, Joy Guthrie, 2015](https://journals.sagepub.com/cms/10.1177/8756479314563161/asset/images/large/10.1177_8756479314563161-fig1.jpeg)