Single umbilical artery aneurysm: a rare case report and review of perinatal management

SUAA is a rare but potentially fatal pregnancy complication, associated with increased fetal mortality and adverse perinatal outcomes. Early detection through ultrasound of cystic dilatation and disturbed blood flow patterns is crucial for optimizing perinatal management. Continuous monitoring of fetal growth, particularly the detection of fetal growth restriction (FGR) and abnormal fetal heart rate patterns, plays a vital role in reducing the risk of intrauterine distress and fetal demise. In cases of SUAA, elective cesarean delivery has been shown to effectively mitigate the risk of intrauterine hypoxia and fetal distress, thereby improving neonatal survival rates and long-term prognosis.