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Table 6 Results of no ultrasound abnormal group

From: Application of chromosome microarray analysis in prenatal diagnosis

Prenatal diagnostic indications n Abnormal karyotype Detection rate (%) PCNVS Detection rate (%) VOUS Detection rate (%)
NIPT abnormal 25 8 32 1 4 4 16
Advanced maternal age 3 2 66.6     
Abnormal karyotypeof couple 8 1 12.5 0   1 12.5
Fetal Karyotype 11 1 9.09 1 9.09 1 9.09
High-risk screening 3 0 0 1 33.33 1 33
Stillbirth 9      2 22.2
Historyof adverse pregnancy 3      1 33
FISH does not match karyotype 2      1 50
Total 64 12 18.75 3 4.68 11 17.19