Detailed Analysis of Fetal Malformations of the Supratentorial Structures of the Brain in High-Risk Pregnancies at 12–14 Gestational Weeks by Transvaginal 3D Ultrasound Examination

Abstract

Purpose To detect sonographic abnormalities of the supratentorial structures of the brain – future cavum septum pellucidum, cavum velum interpositum, third ventricle, ganglionic eminence and thalamus/hypothalamus – in fetuses with a crown-rump length of 45–84 mm in high-risk pregnancies.

Keywords

• fetal brain
• first trimester screening
• holoprosencephaly
• migrational disorders
• ganglionic eminence