A fetal echocardiogram (or “echo”) is a specialized ultrasound examination, similar to a routine obstetrician (OB) ultrasound, which focuses specifically on the unborn baby’s (also called a fetus) heart. The cardiologist will take images of the fetus’ heart structure including the heart chambers, valves and blood vessels. The blood flow throughout the heart and blood vessels is also assessed by use of Doppler "color-flow" ultrasound technique.
A fetal echo is recommended after an abnormality is seen during routine OB monitoring, ultrasound or other risk factor. Fetal echocardiograms are considered in the following circumstances: