简介:<正>1原文摘要ObjectiveThegoalofthisstudywastoexaminetheintra-operatorandinter-operatordifferencesofthemanualandsemiautomatednuchaltranslucency(NT)measurementsandtoevaluateifthesedifferencesalterwomen’sriskstatus.MethodsAcrosssectionalstudywasperformed.TwooperatorsobtainedmanualandsemiautomatedNTmeasurementsof153NTimages.