I get concerned when pregnant women are getting ultrasound X-rays month after month while they are pregnant
What on Earth are "ultrasound X-rays"?
ultrasound = mechanical vibration with frequency higher than human-audible sound. X-ray = electromagnetic radiation with frequency higher than ultra-violet.
Thank you! I was completely baffled by that as well. They are completely different medical tests.
The confusion seems consistent with the understanding displayed in the rest of the column.
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