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Journal of Ultrasound in Medicine, Vol 2, Issue 11 489-494, Copyright © 1983 by American Institute of Ultrasound in Medicine

JOURNAL ARTICLE

Ultrasonic tissue characterization of fetal lung, liver, and placenta for the purpose of assessing fetal maturity

D. M. Benson, L. D. Waldroup, A. B. Kurtz, J. L. Rose, M. D. Ritkin and B. B. Goldberg

The purpose of this research effort was to establish a physical basis for the development of an accurate noninvasive technique to differentiate between mature and immature fetal tissues, particularly the lung and placenta. The research utilized RF waveform analysis via a microcomputer-based digital processing system interfaced directly to a standard real-time clinical diagnostic ultrasound instrument. Differences between the frequency spectra of the RF waveforms for mature and immature fetal tissues could be demonstrated in accordance with proposed tissue models.




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Copyright © 1983 by the American Institute of Ultrasound in Medicine.