Intra-atrial echogenic foci were detected in 3 out of 15 706 fetuses (
prevalence 0.019 per cent). In all cases, they were located in the rig
ht atrium. Normal chromosomes and negative TORCH titres were observed
in all affected cases. Fetuses with intra-atrial echogenic foci demons
trated adequate intra-uterine growth and had normal neonatal outcome.
Intra-atrial echogenic foci seem to represent a normal variant of feta
l cardiac development. (C) 1998 John Wiley & Sons, Ltd.