Maturation of the central nervous system (CNS) is reflected in fetal behavior. Modern technology, such as four-dimensional (4D) sonography improved assessment of fetal behavior in all three trimesters of pregnancy. After summing our own experiences and experiences of the leading authors in the field of fetal and neonatal neurology, new prenatal screening test for assessment of fetal behavior has been suggested. Test was named Kurjak antenatal neurodevelopmental test (KANET). Up to now results of KANET are encouraging and they have been published in several prominent journals. Nevertheless, potential of KANET in the assessment of integrity of the fetal central nervous system needs to be confirmed by studies that are in progress in several world university centers.
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