Prenatal Ultrasound Screening for External Ear Abnormality in the Fetuses

Table 2

Link of ear abnormality-related syndrome with chromosomal abnormalities.

Syndromes	Chromosomal abnormality
Trisomy 9	Chromosome 9
Edwards syndrome/trisomy 18	Chromosome 18
Patau syndrome	Chromosome 13
Down syndrome	Chromosome 21
Cri du chat/chromosome 5q deletion syndrome, CHARGE	Chromosome 8
Trichorhinophalangeal syndrome, type 1	Chromosome 8
Beckwith-Wiedemann	Chromosome 11
Jacobsen syndrome	Chromosome 11
Smith-Magenis syndrome	Chromosome 17
Emanuel syndrome	Chromosome 11 and/or 22
Turner syndrome	Chromosome XO or mosaic XX/X0
Triple X syndrome	Chromosome 49 and/or XXXXX