[The significance of fetal electroencephalography for the diagnosis of fetal disorders].
In typical cardiotocographic and bloodgasanalytic changes indicating fetal hypoxia the fetal electroencephalography shows frequency slowing, voltage suppression and spike activity. This EEG tracings simultaneously appeared with first cardiotocographic signs of fetal distress. It was not possible to recognize disturbances of fetal oxygenation in an earlier stage by EEG monitoring. Fetal EEG is of difficult technique and interpretation. In so far cardiotocography is of higher security, sensibility and easier handling for fetal monitoring. With regard to future improvements in electroencephalographic techniques it seems possible to get additional and more accurate informations for fetal monitoring and about perinatal morbidity.
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