The use of MRI as a diagnostic tool fetal post- mortem " virtual autopsy " performed before expulsion of the fetus is interesting because it would permit to obtain a macroscopic examination of the fetal brain, archivable, and a gain concerning the diagnosis. Thus, a normal MRI will exclude cerebral anatomical abnormality , stroke or bleeding . If MRI abnormalities are found , it will not only guide the foetopathologic review, but mainly to guide the etiology . On the other hand , it is a non-invasive tool and acceptability by the couple would be better than autopsy which is often refused by the couple in this difficult psychological context.