Ultrasound biologic effects: A suggestion of strain specificity

W. D. O'Brien, S. J. Januzik, F. Dunn

Research output: Contribution to journalArticle

Abstract

Pregnant hybrid LAF1/J mice were exposed to continuous-wave ultrasonic energy at a frequency of 1 MHz at a spatial peak intensity of either 2.5 W/cm2 or O W/cm2 (sham) for 20 seconds on the eighth day of gestation. Fetal weight (day 18 of gestation) and postpartum pup weight (21, 29 and 42 days post conception) were determined. No significant differences in weight were observed. This result differs from findings in others studies using outbred mouse strains. It is suggested that hybrid mice exposed to ultrasonic energy in utero may be more resistant to alterations in fetal and pup weight progression as compared with outbred strains.

Original languageEnglish (US)
Pages (from-to)367-370
Number of pages4
JournalJournal of Ultrasound in Medicine
Volume1
Issue number9
DOIs
StatePublished - Jan 1 1982

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

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