What are you advocating? Rebuking people's freedoms until sufficient studies are conducted?
Damn right, especially if it could be harmful to the developing fetus. These machines weren't made to be sold to the general public. I,along with thousands of others in the medical field are trained for years to use this equipment. Sonographers now must be trained and board certified.
What's Tom gonna do when his baby may be born deaf?
I don't have the freedom to buy whatever i want