When you’re expecting, nothing is quite as exhilarating as seeing your baby on an ultrasound. However, if your technician mentions a two-vessel umbilical cord, also known as a single umbilical artery (SUA), it’s natural to feel a wave of concern. This condition affects fewer than 1 percent of singleton pregnancies and around 5 percent of twin or multiple births. Here’s what you need to know about this condition.
What is a Two-Vessel Cord?
During a typical pregnancy, the umbilical cord consists of three blood vessels: one vein that delivers essential nutrients and oxygen to the baby, and two arteries that carry waste back to the placenta and mother. A two-vessel cord, however, contains only two blood vessels—one vein and one artery. This variation can be detected during routine ultrasounds and is more common than you might think.
How is a Two-Vessel Cord Diagnosed?
Ultrasounds are crucial in diagnosing a two-vessel cord. If your healthcare provider spots this condition, they may recommend additional monitoring throughout your pregnancy to ensure everything is progressing smoothly.
What Causes a Two-Vessel Cord?
The exact cause of a two-vessel cord is not fully understood. Some studies suggest it could be linked to genetic factors or issues during the early stages of pregnancy. While it can be associated with certain congenital abnormalities, most babies with this condition are born healthy.
What Risks Does a Two-Vessel Cord Present?
While many pregnancies with a two-vessel cord result in healthy babies, there are some potential risks. These can include growth restrictions or complications related to the baby’s development. Regular check-ups and ultrasounds can help manage these risks effectively.
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In summary, a two-vessel umbilical cord is a variant that can occur in pregnancies, though it often does not lead to complications. Regular monitoring and consultations with your healthcare provider can help ensure a healthy outcome for both mother and baby.