Table 4 Chromosomal abnormalities and copy number variants detected in the fetuses with isolated CNS and extra CNS anomalies.

From: Prenatal diagnosis and molecular cytogenetic characterization of fetuses with central nervous system anomalies using chromosomal microarray analysis: a seven-year single-center retrospective study

 

Cases

T13

T18

T21

pCNVs

VOUS

Aneuploid detection rate (%)

pCNVs detection rate (%)

Chromosomal aberration detection rate (%)

Isolated CNS anomalies

35

0

0

0

5

1

0.00

14.29

14.29

Extra CNS anomalies

22

3

1

1

4

3

22.73

18.18

40.91

Total

57

3

1

1

9

4

8.77

15.79

24.56

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