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Table 2 Results of ultrasound structural malformation group

From: Application of chromosome microarray analysis in prenatal diagnosis

Prenatal diagnostic indications n Abnormal karyotype Detection rate(%) PCNVS Detection rate (%) VOUS Detection rate (%)
Single malformation        
Heart malformation 63 3 4.76 2 3.17 5 7.94
Urinary system abnormalities 56 0   3 5.35 1 1.78
Nervous system abnormalities 15 0   2 13.3 5 33.33
Digestive disorders 22 0   1 4.55 2 9.09
Hydrocyst of the neck 8 1 12.5 0    
Foot inversion 4 1 25 0    
Cleft lip and palate 5 0   2 40   
Skeletal abnormalities 11 0   0    
Respiratory system 10       
Pleural effusion 7       
Total 201 5 2.49 10 4.97 13 6.47
Multiple malformations 9 3 33.33 0    
Total 210 8 3.81 10 4.76 13 6.19