Table 3. Minor markers associated with fetal Down syndrome on second trimester.

Ultrasonographic markers
Aberrant right subclavian artery
Brachycephaly or shortened frontal lobe
Clinodactyly (hypoplasia of the 5th digit middle phalanx)
Echogenic bowel
Flat facies
Echogenic intracardiac focus
Nasal bone absence or hypoplasia
Nuchal fold thickening
Renal pelvis dilation (mild)
“Sandle gap” between first and second toes
Shortened ear length
Single umbilical artery
Short femur
Short humerus
Widened iliac angle