Ultrasound and Fetal Stress: Study of the Fetal Blink-Startle Reflex Evoked by Acoustic Stimuli
The development of ultrasound techniques opened a window on the prenatal world. Since the early 1990s, bidimensional ultrasonography has played an important role in the study of certain fetal behaviours in attempts to understand fetal well-being. Certain fetal attitudes can be likened to those subsequently seen in newborns . Study of fetal circulation by Doppler ultrasonography in parts of the fetal body such as the middle cerebral arteries has also clearly shown that certain pathophysiological and pathological conditions cause a redistribution of normal fetal circulation, indicating a change in fetal status.
KeywordsFetal Heart Rate Fetal Status Acta Obstet Gynecol Fetal Body Fetal Attitude
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