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Table 2 Ultrasonic soft markers and conventional karyotyping

From: Evaluation of chromosomal abnormalities and copy number variations in fetuses with ultrasonic soft markers

Groups

Number of fetuses

Rate of chromosomal abnormalities (%)

Trisomy 21

Trisomy 18

Trisomy 13

47,XXY

45,X

Mosaic chromosomal number abnormalities

Chromosomal structural abnormalities

Single ultrasonic soft marker

729

26 (3.6)

12

3

3

1

2

 

5

Short femur

26

2 (7.7%)

      

2

Thickened nuchal translucency

302

18 (6.0%)

10

1

3

 

1

 

3

Choroid plexus cyst

54

2 (3.7%)

 

2

     

Absent nasal bone

76

2 (2.6%)

1

  

1

   

Ventriculomegaly

115

2 (1.7%)

1

   

1

  

Two ultrasonic soft markers

322

13 (4.0%)

7

1

 

1

 

1

3

Three or more ultrasonic soft markers

80

7 (8.8%)

4

1

   

1

1