Why did we not start the way we do when building a house?
The best of everything you can afford is sourced -as you can only make that building once. . now.
Then construct according to what will always work – from great foundations using the best tools, resources and staff possible.
Testing after the fact is foolhardy.
Especially if as with fetal scanning it is demonstrably not safe – or giving better results.
Please research yourself, as like tobacco science, this is not assured.
Next up – does scanning ‘work’?