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).
![A case of prenatal diagnosis of single umbilical artery due to thrombosis diagnosed by the ultrasound finding of “wink-sign” A case of prenatal diagnosis of single umbilical artery due to thrombosis diagnosed by the ultrasound finding of “wink-sign”](https://www.degruyter.com/document/doi/10.1515/crpm-2020-0002/asset/graphic/j_crpm-2020-0002_fig_002.jpg)
A case of prenatal diagnosis of single umbilical artery due to thrombosis diagnosed by the ultrasound finding of “wink-sign”
![Ultrasound views of the free portion of the umbilical cord in a fetus... | Download Scientific Diagram Ultrasound views of the free portion of the umbilical cord in a fetus... | Download Scientific Diagram](https://www.researchgate.net/publication/368269355/figure/fig1/AS:11431281117801487@1675553917371/Ultrasound-views-of-the-umbilical-cord-and-its-insertion-at-the-level-of-the-bladder-in_Q320.jpg)
Ultrasound views of the free portion of the umbilical cord in a fetus... | Download Scientific Diagram
![Association Between Isolated Single Umbilical Artery and Perinatal Outcomes: A Meta-Analysis | Semantic Scholar Association Between Isolated Single Umbilical Artery and Perinatal Outcomes: A Meta-Analysis | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/75ec8dfb5048857eaea13c73c5580072992f7934/2-Figure1-1.png)
Association Between Isolated Single Umbilical Artery and Perinatal Outcomes: A Meta-Analysis | Semantic Scholar
![Anatomy Of Umbilical Cord Two Umbilical Veins And One Umbilical Artery Stock Illustration - Download Image Now - iStock Anatomy Of Umbilical Cord Two Umbilical Veins And One Umbilical Artery Stock Illustration - Download Image Now - iStock](https://media.istockphoto.com/id/1222408325/vector/anatomy-of-umbilical-cord-two-umbilical-veins-and-one-umbilical-artery.jpg?s=612x612&w=is&k=20&c=sb0bN-ZPe86eZANMLazM_-mZ8N7QuwAUNFy6p8YVw74=)
Anatomy Of Umbilical Cord Two Umbilical Veins And One Umbilical Artery Stock Illustration - Download Image Now - iStock
![The Risk Factors and Neonatal outcomes of Isolated Single Umbilical Artery in Singleton Pregnancy: A Meta-analysis | Scientific Reports The Risk Factors and Neonatal outcomes of Isolated Single Umbilical Artery in Singleton Pregnancy: A Meta-analysis | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-017-07053-7/MediaObjects/41598_2017_7053_Fig1_HTML.jpg)
The Risk Factors and Neonatal outcomes of Isolated Single Umbilical Artery in Singleton Pregnancy: A Meta-analysis | Scientific Reports
![Tessa Davis on X: "The cord starts off life as the yolk stalk, containing the vitelline duct, fused to the body stalk containing a pair of umbilical arteries, a single umbilical vein + Tessa Davis on X: "The cord starts off life as the yolk stalk, containing the vitelline duct, fused to the body stalk containing a pair of umbilical arteries, a single umbilical vein +](https://pbs.twimg.com/media/EtSM2ErWYAM1QPS.png)
Tessa Davis on X: "The cord starts off life as the yolk stalk, containing the vitelline duct, fused to the body stalk containing a pair of umbilical arteries, a single umbilical vein +
![Single umbilical artery (SUA) in the fetus. How is it seen on ultrasound, is it risky for the baby? - YouTube Single umbilical artery (SUA) in the fetus. How is it seen on ultrasound, is it risky for the baby? - YouTube](https://i.ytimg.com/vi/HHHHfYVu_jU/hqdefault.jpg)