[The influence of MRI examination on prenatal guidance and therapeutic decisions in fetuses with central nervous system defects].

Purpose: The aim of this study was the evaluation of diagnostic and prognostic value of prenatal US and MRI in fetuses with central nervous system abnormalities, and of the influence of incorporating MRI to diagnostic algorithm on the therapeutic decisions.

Materials And Methods: 123 pregnant women (16-40 weeks' gestation) underwent MRI due to abnormal appearance of fetal central nervous system in US (using Voluson-Kretz 730PRO). MRI has been performed on a 1.