Magdalena Maria Woźniak
“Diagnostic ultrasound studies of the fetus are generally considered safe during pregnancy,” reports Practice Guideline for the Performance of Obstetric Ultrasound Examinations published by the American Institute of Ultrasound in Medicine (AIUM) in 2007. On the other hand, there are numerous publications warning that, “although diagnostic ultrasound has had an excellent safety record – laboratory studies in animals have shown serious harm if the intensity is sufficiently high”.
… What kind of potential risks to the fetus may be carried by ultrasound? Ultrasound scans may induce adverse effects by either thermal or non-thermal means.