Abstract

In this study we investigated the fetalbiomagnetic brainactivity obtained in normal and pre-eclamptic pregnancies using a non-linear analysis. Measurements were performed using a single channel biomagnetometer superconducting quantum interference device (SQUID) in an electrically shielded room of low magnetic noise. Using the application of non-linear analysis and dimensionality calculations we have observeda clear saturation for the dimension of the fetal biomagnetic brain activity from pre-eclamptic pregnancies and no saturationfor fetalbrain activity in normal pregnancies. Thus, the biomagnetic measurements with the SQUID and the application of non-linear analysis, is a promising procedure in assessing and differentiating fetal biomagnetic brain activity in normal and pre-eclamptic pregnancies.

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