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Article
July 7, 1978

Noninvasive Verification of Fetal Respiratory Movements in Normal Pregnancy

Author Affiliations

From the Department of Gynecology and Obstetrics, Stanford University Medical Center, Stanford, Calif (Dr Stephens), and Department of Diagnostic Radiology, Harvard University Medical School, Boston (Dr Birnholz).

JAMA. 1978;240(1):35-36. doi:10.1001/jama.1978.03290010039019
Abstract

A newly developed high-speed ultrasound imaging system enabled accurate observations to be made of fetal respiratory movements in utero. Visual monitoring of data acquisition eliminated artifactual recording.

(JAMA 240:35-36, 1978)

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