Long-term follow-up on fetuses diagnosed in second trimester with isolated single umbilical artery and normal chromosomal microarray

Fetuses diagnosed with isolated Fetal Single Umbilical Artery (iSUA), defined when no additional anatomical abnormalities are detected, and are not associated with significantly increased risk for chromosomal anomalies. However, information on their long-term outcome is lacking. The objective of the current study is to examine the long-term outcomes of fetuses diagnosed in second trimester with iSUA and normal chromosomal microarray assay (CMA).