Sensitivity of Nasal Bone as Aneuploidy Marker —First Trimester versus Second Trimester Assessment

ConclusionsRoutine inclusion of NB in first trimester risk assessment with conventional midsagittal view alone in all cases may lead to an increased number of false positives. Inclusion in the second trimester would still have the same detection rate but would eliminate technical difficulties of imaging NB in the first trimester.
Source: Journal of Fetal Medicine - Category: Perinatology & Neonatology Source Type: research