 The current evidence suggests that postmortem ultrasound and antinatal ecography are more accurate than virtual autopsy in diagnosing causes of death in infants under one year old. However, the direction of effect for these two tests is not consistent across all studies, and additional research is needed to determine whether they can be used as reliable alternatives to traditional autopsies. This article was authored by Melissa Brown, Fiona Bayer, Hannah O'Keefe, and others.