Toxicity of ultrasound in mice: neonatal studies.

  title={Toxicity of ultrasound in mice: neonatal studies.},
  author={S J Stolzenberg and C A Torbit and G T Pryor and Peter D. Edmonds},
  journal={Radiation and environmental biophysics},
  volume={18 1},
Pregnant mice were exposed to ultrasound (continuous wave, 2 MHz) on Day 8 of gestation to determine effects on the progeny. The most significant finding was a decrease in mean uterine weight of the female progeny. The thresholds for this effect were 140 s at 0.5 W/cm2 and 60 s at 1 W/cm2, which were below the thresholds previously reported for other effects in mice. We suggest that this indicates a delay or impairment of maturation of the mice exposed in utero. Exposure of the dams to spatial… CONTINUE READING
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