10 doctors weighed in:

Issues with single umbilical artery?

10 doctors weighed in
6 doctors agree

In brief: Majority no problem

Usually the cord has 2 arteries and a vein.
It is found in about 5% of pregnancies. The vast majority have no problems at birth, however in about a fourth of these kids there is a higher incidence of malformations that could be in the GI tract, the heart or the nervous system. Also it is associated with higher incidence of chromosomal anomalies like trisomy 18 or trisomy 13.

In brief: Majority no problem

Usually the cord has 2 arteries and a vein.
It is found in about 5% of pregnancies. The vast majority have no problems at birth, however in about a fourth of these kids there is a higher incidence of malformations that could be in the GI tract, the heart or the nervous system. Also it is associated with higher incidence of chromosomal anomalies like trisomy 18 or trisomy 13.
Dr. Josephine Ruiz-Healy
Dr. Josephine Ruiz-Healy
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Dr. Cristina Carballo
Pediatrics - Neonatology
2 doctors agree

In brief: Sometimes

If there are no other anomoies, no.
However, if there is concern for mid-line defects, a renal ultrasound is necessary to make sure kidneys are ok.

In brief: Sometimes

If there are no other anomoies, no.
However, if there is concern for mid-line defects, a renal ultrasound is necessary to make sure kidneys are ok.
Dr. Cristina Carballo
Dr. Cristina Carballo
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