Grade and symmetry of normal fetal cortical development: a longitudinal two‐ and three‐dimensional ultrasound study

Abstract

Evaluation of cortical development by means of a simple scoring system is feasible and reproducible. Asymmetrical development of sulci, previously only described in vitro, has now also been demonstrated in vivo. 3D ultrasound was equally accurate and repeatable and no more time consuming than 2D ultrasound.