Table 1.

Chromosomal abnormalities detected by cytogenetic analysis and chromosomal microarray analysis (CMA).

Chromosomal Abnormalities	Total Cases
Trisomy 21	57
Trisomy 18	18
Trisomy 13	4
Trisomy 9	1
45,X	11
Mos 45,X	4
Chromosomal markers	4
Unbalanced rearrangements	3
Likely balanced rearrangement	1
CMA with submicroscopic pathogenic CNVs	7
Total	110

CNV: copy number variants.