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Table 2 Clinical characteristics with chromosomal abnormalities in one fetus with NT above the 95th percentile

From: Prenatal diagnosis and perinatal outcomes of twin pregnancies disharmonious for one fetus with nuchal translucency above the 95th percentile

NO

MA

GA

CM

NT

NASAL BONE

Twins

Karyotype

Interpretation of CMA Results

Outcomes

1

36

13.3

SP

8.2

0

MCDA

45, X

The deletion of 155.07 Mb was detected in chromosome Xp22.33q28, pathogenic

Induced labor

2

36

13.3

SP

1.4

0

MCDA

46, X, + mar

2.20 Mb microdeletion was detected in chromosome Xp22.33, pathogenic

Induced labor

3

27

12.4

SP

3.11

1

MCDA

47, XN, + 21

Chromosome 21q11.2q22.3 detected 33.06 Mb repeats, 21 trisomy syndrome, pathogenic

Induced labor

4

27

12.4

SP

2.95

0

MCDA

47, XN, + 21

Chromosome 21q11.2q22.3 detected 33.06 Mb repeats, 21 trisomy syndrome, pathogenic

Induced labor

5

28

12.5

SP

3.14

1

MCDA

47, XN, + 21

Chromosome 21q11.2q22.3 detected 33.06 Mb repeats, 21 trisomy syndrome, pathogenic

Induced labor

6

28

12.5

SP

2.89

0

MCDA

47, XN, + 21

Chromosome 21q11.2q22.3 detected 33.07 Mb repeats, 21 trisomy syndrome, pathogenic

Induced labor

7

29

12.4

SP

4.12

0

MCDA

47, XN, + 21

Chromosome 21q11.2q22.3 detected 33.06 Mb repeats, 21 trisomy syndrome, pathogenic

Induced labor

8

29

12.4

SP

3.96

1

MCDA

47, XN, + 21

Chromosome 21q11.2q22.3 detected 33.06 Mb repeats, 21 trisomy syndrome, pathogenic

Induced labor

9

32

13.3

SP

8.2

0

DCDA

45, X

The deletion of 155.07 Mb was detected in chromosome Xp22.33q28, pathogenic

Induced labor

10

32

13.3

SP

1.7

0

MCDA

47, XN, + 21

Chromosome 21q11.2q22.3 detected 33.08 Mb repeats, 21 trisomy syndrome, pathogenic

Induced labor

11

40

12.4

SP

5.12

1

DCDA

46, XY

8.18 Mb deletion was detected in chromosome Y q11.223q11.23, pathogenic

Induced labor

12

40

12.4

SP

3.65

1

DCDA

47, XN, + 21

Chromosome 21q11.2q22.3 detected 33.06 Mb repeats, 21 trisomy syndrome, pathogenic

Induced labor

13

40

12.9

SP

3.09

1

DCDA

47, XN, + 21

Chromosome 21q11.2q22.3 detected 33.06 Mb repeats, 21 trisomy syndrome, pathogenic

Induced labor

14

40

12.9

SP

3.76

0

DCDA

47, XN, + 21

Chromosome 21q11.2q22.3 detected 33.06 Mb repeats, 21 trisomy syndrome, pathogenic

Induced labor

15

32

13.3

SP

3.2

0

DCDA

46, X, + mar

Microdeletion of 221 kb was detected in chromosome Xp22.33, pathogenic

Survival

  1. SP Spontaneous. MA Mean maternal age, GA Gestational age, CM Conceived method, CMA Chromosomal microarray analysis