Ultrasound and ADD?

I have had a belief for a long time that there may be a connection between the increase in ADD in our society and the amount of ultrasound screenings performed on a fetus while in a uterus.

Ultrasound is not to be used in an area where there is hyper plastic activity (cancer) or any area that may destroy tissue formation it has a tendency to increase the hyper pastic activity of cell production>

Then why is ultrasound being used as a screening process to view an unborn child. The child (fetus) is in the process of growing, the brain is forming, as are all other parts of the body. What I am concerned about is the possibility of the brain cells being disturbed by the vibration from the ultrasound causing them to form in a disorientated manner or not in a complete organized structural physiological form.

I haven't had time to check to see if any controlled studies have been performed on this issue. Apparently most of the information coming out recently about the possible causes of ADD is leading to some vaccines that are used on children. Perhaps an independent study should be performed with separate groups of children: (1) Not vaccinated and having ultrasound as a fetus; (2)Vaccinated and having ultrasound as a fetus; (3) Not vaccinated and not having ultrasound as a fetus; and (4) Vaccinated and not having ultrasound as a fetus.