Most important feature to diagnose fetal aneuploidy:
B i.e. Nuchal translucencyRef: Current Progress in Obstetrics and Gynecology; John Stud, Volume 1, page 17Explanation:Ultrasound Markers of Fetal Aneuploidy:Nuchal translucency is the single most powerful tool. More than 3 mm needs evaluation.Absence of nasal bone.Absence or reversal of flow in the ductus venosus on Doppler.Tricuspid regurgitation.Increase in frontomaxillary angle more than 85 deg.
Absent nasal bone
Nuchal translucency
Increase in frontomaxillary angle
Reversal of ductus venosus flow
Gynaecological Disorders in Obs.