At 11-13 weeks, fetuses with DWM have measurable abnormalities in the posterior brain. An abnormal appearance of the fourth ventricle-cisterna magna complex was present in all four cases of DWM.
Objectives To establish values of fetal left brachiocephalic vein (LBCV) dimensions during normal pregnancy and determine whether routine assessment of the LBCV may help in identifying fetuses with congenital abnormalities of this vessel.
Methods
Abnormal cardiac axis is present in two-thirds of fetuses with congenital heart defect in early gestation. Adding cardiac axis assessment to the nuchal translucency measurement is helpful in defining a population at risk for fetal congenital heart defect.
Among centers with technical expertise, remote review of 3D sonographic volumes of the fetal CNS resulted in an accurate and reliable method for diagnosis of fetal brain malformations.
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