Investigations of the fetal behavior in comparison with morphological studies led to the conclusion that fetal behavioral patterns directly reflect developmental and maturational processes of fetal central nervous system. Four-dimensional (4D) ultrasound has remarkably improved the assessment of the quality of fetal spontaneous movements, and enabled a better evaluation of fetal behavior. Recently, new prenatal screening test for assessment of fetal behavior, based on 4D ultrasound, has been published. We present you review of literature on fetal behavior in normal and high-risk pregnancies, and summarized results of new promising prenatal neurological screening test.
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