Its called as echogenic focus in heart
Its a soft marker for some genetic diseases like Down syndrome
Its not a disease of heart
Just like we have mole on face , its just a spot in heart.
If its associated with some abnormality in level two anamoly scan , you should consult genetic specialists.
Isolated echogenic focus have no significance
So chill ..!!
Next Steps
If level two scan is normal apart from white spot
No further tests required
Health Tips
Dont worry
Be happy