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Table 4 Classification of true positive CNV and pregnancy outcome

From: Expanding the application of non-invasive prenatal testing in the detection of foetal chromosomal copy number variations

Patients

NIPT

CMA

CNV

Inheritance

Pregnancy outcome

Gestation at the time of therapeutic abortion

Case 1

8p23.2p23.3, deletion, 5.2 M

8p23.2p23.3, deletion, 6.0 M

Pathogenic

de novo

Therapeutic abortion

23+2 W

Case 2

12p12.1p12.2, deletion, 4.2 M

12p12.1p12., deletion, 4.13 M

Pathogenic

not determined

Therapeutic abortion

21+5W

Case 3

18q12.3, duplication, 2.2 M

18q12.3, duplication, 1.51 M

VOUS

Not determined

Delivery, normal

 

Case 4

15q13.2q13.3,deletion, 2.1 M

15q13.2q13.3, deletion, 1.34 M

Pathogenic

de novo

Therapeutic abortion

23+4 W

Case 5

11p14.2p14.3, duplication, 3.85 M

11p14.2p14.3, duplication, 3.59 M

VOUS

Inherited from the father

Delivery, normal

 

Case 6

11q22.1q25, duplication, 40.09 M

11q22.1q25, duplication, 35.57 M

Pathogenic

de novo

Head deformity (ultrasound), therapeutic abortion

22+1 W

Case 7

16p13.11, duplication, 2.5 M

16p13.11, duplication, 1.64 M

Likely pathogenic (nonpenetrance)

Not determined

Unknown

 

Case 8

10q21.1, deletion, 2.1 M

10q21.1, deletion, 2.13 M

VOUS

Not determined

Delivery, normal

 

Case 9

2q32.3q33.1, duplication, 5.29 M

2q32.3q33.1, duplication, 4.28 M

VOUS

Inherited from the mother

Delivery, normal

 

Case 10

18q22.3q23, duplication, 5.45 M

18q22.3q23, duplication, 6.04 M

VOUS

Inherited from the mother

Head deformity (ultrasound), therapeutic abortion

26+6 W

Case 11

4p14p15.1, deletion, 3.6 M

4p14p15.1, deletion, 3.32 M

VOUS

Not determined

Delivery, normal

 

Case 12

13q33.1q34, deletion, 9.4 M

13q33.1q34, deletion, 9.22 M

Pathogenic

de novo

Craniofacial malformation (ultrasound), therapeutic abortion

25+1 W

Case 13

1q21.1q21.2, duplication, 3.0 M

1q21.1q21.2, duplication, 1.71 M

Pathogenic (incomplete penetrance)

Inherited from the mother

Therapeutic abortion

24+6 W

Case 14

3q26.33q27.1, duplication, 3.35 M

3q26.33q27.1, duplication, 3.29 M

VOUS

Not determined

Delivery, normal

 

Case 15

15q11.2q13.1, duplication, 6 M

15q11.2q13.1, duplication, 5.24 M

Pathogenic

Not determined

Therapeutic abortion

 

Case 16

18q12.3q22.3, duplication, 28.6 M

18q12.3q22.3, duplication, 30.59 M

Pathogenic

Not determined

Head deformity and cheilopalatognathus (ultrasound), therapeutic abortion

23+5 W

Case 17

16p13.11p12.3, duplication, 3.6 M

16p13.11p12.3, duplication, 2.67 M

Likely pathogenic (nonpenetrance)

not determined

Delivery, normal

 

Case 18

3p26.3, duplication, 2.5 M

3p26.3, duplication, 2.21 M

VOUS

Inherited from the mother

Delivery, normal

 

Case 19

2q12.1q12.3, duplication, 2.5 M

2q12.1–12.3, duplication, 2.51 M

VOUS

Not determined

Delivery, normal

 

Case 20

17p12, deletion, 2.5 M

17p12, deletion, 1.42 M

Pathogenic

Inherited from the mother

Delivery, normal

 

Case 21

6p12.1p12.3, duplication, 4.6 M

6p12.1p12.3, duplication, 4.36 M

VOUS

Inherited from the mother

Delivery, normal

 

Case 22

18q12.2, deletion, 2.5 M

18q12.2, deletion, 1.06 M

VOUS

Not determined

Therapeutic abortion

23+3 W

Case 23

2q13, deletion, 2 M

2q13, deletion, 2.12 M

Likely pathogenic (nonpenetrance)

Inherited from the mother

Delivery, normal

 

Case 24

8 p21.3p22, deletion, 5.21

8p21.3p2, deletion, 3.81 M

VOUS

Not determined

Delivery, normal

 

Case 25

3q26.32q28, duplication, 9.61 M

3q26.32q28, duplication, 9.61 M

Pathogenic

de novo

Facial and cardiac abnormalities (ultrasound), therapeutic abortion

26+1 W