Nuchal translucency: an ultrasound marker for fetal chromosomal abnormalities
Säo Paulo med. j; 119 (1), 2001
CONTEXT: The literature shows an association between several ultrasound markers and chromosome abnormality. Among these, measurement of nuchal translucency has been indicated as a screening method for aneuploidy. The trisomy of chromosome 21 has been most evaluated. OBJECTIVE: To define the best fixed cu...
Ultrasonografía Prenatal, Aberraciones Cromosómicas/29166, Cromosomas Humanos Par 21, Trisomía, Aberraciones Cromosómicas/epidemiología, Brasil/epidemiología, Aneuploidia, Edad Materna, Sensibilidad y Especificidad, Factores de Edad, Primer Trimestre del Embarazo, Prevalencia, Reacciones Falso Positivas, Cariotipificación