Prevalence of single umbilical artery in pregnant women: its relationship with other malformations and low birth weight

Authors

Keywords:

single umbilical artery, two vessels of the cord, malformation, low birth weight

Abstract

Introduction: The single umbilical artery has an incidence of 1% in newborns. It is frequently associated with twinning, malformations and delayed intrauterine growth, and is a risk factor of prematurity, fetal and neonatal death.

Objective: To determine the prevalence of single umbilical artery in pregnant women and the association of this entity with other malformations and low birth weight.

Materials and methods: Retrospective descriptive study, with data obtained from medical records and the linear follow-up model existing in the community genetic clinics of the municipality of Matanzas, from January 2015 to December 2019.

Results: The prevalence of the single umbilical artery was 0.3%. The most frequent malformations were renal ones; 27.7% of births were pre-term and 33.3% of those born weighed less than 2500g.

Conclusions: The single umbilical artery is a marker for other malformations. When both coexist there is a risk of prematurity and low birth weight. Postnatal clinical examination is recommended for all newborns with single umbilical artery, checking for renal and heart defects.

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References

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Published

2023-11-08

How to Cite

1.
Horta-Barrios AB, Rodriguez-Quintana M, Revuelta-Trujillo R, Alfonso-Acosta AE, Luna-Ceballos EJ. Prevalence of single umbilical artery in pregnant women: its relationship with other malformations and low birth weight. Rev Méd Electrón [Internet]. 2023 Nov. 8 [cited 2025 Jan. 10];45(6):e4882. Available from: https://revmedicaelectronica.sld.cu/index.php/rme/article/view/4882

Issue

Vol. 45 No. 6 (2023)

Section

Research article

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