Single Umbilical Artery Leading to Intrauterine Growth Restriction: A Case Report

Karimi Rouzbahani, Arian and Zarrinkoub, Nazanin and Mahmoudvand, Golnaz and Yari, Fatemeh (2024) Single Umbilical Artery Leading to Intrauterine Growth Restriction: A Case Report. Journal of Obstetrics, Gynecology and Cancer Research.

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Abstract

Single umbilical artery (SUA) is an uncommon yet clinically noticeable anomaly that has been suspected to be correlated with a wide range of pregnancy complications. We hereby present a 30-year-old pregnant woman who was diagnosed with SUA fetus in the 20th week of her pregnancy and was admitted to our center in the 33rd week. During the hospitalization, Doppler studies were performed to monitor fetal development. Later, fetoplacental insufficiency and brain-sparing effect were reported on Doppler ultrasound, indicating asymmetrical Intrauterine growth restriction (IUGR). SUA might be associated with concurrent fetal anomalies including cardiological, nephrological, gastrointestinal, and nervous disorders. Moreover, there is an increased risk of small for gestational age and IUGR compared with normal pregnancies. It is crucial to assess the umbilical cord anatomy during pregnancy to diagnose SUA at lower gestational ages and schedule a precise follow-up to prevent adverse outcomes. Keywords: Congenital Abnormalities, Single Umbilical Artery, Doppler Imaging, Intrauterine Growth Restriction

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