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Table 3 Clinical characteristics with VOUS 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

29

13.3

SP

2.25

0

DCDA

46, XN

256 kb microdeletion was detected in chromosome 1p21.1

Ceaserian section

2

35

13.1

IVF

2.46

0

DCDA

46, XN

297 kb microduplication was detected in chromosome 18q22.1

Ceaserian section

3

32

13.1

IVF

2.21

0

DCDA

46, XN

391 kb microduplication was detected in chromosome 3q26.32

Normal labour

4

31

13.4

SP

8.01

0

DCDA

46, XN

614 kb microduplication was detected in chromosome 3p13p12.3

Premature delivery

5

31

13.4

SP

2.7

0

DCDA

46, XN

618 kb microduplication was detected in chromosome 3p13p12.3

Premature delivery

6

40

13.7

SP

7.5

1

DCDA

46, XN

500 kb microduplication was detected in chromosome 5p14.2

Normal labour

7

31

13.9

IVF

2.7

0

DCDA

46, XN

118 kb microdeletion was detected in chromosome 2q25

Ceaserian section

8

38

13.9

IVF

3.2

0

DCDA

46, XN

368 kb microduplication was detected in chromosome 7p22.2

Ceaserian section

9

38

13.8

IVF

1.6

0

DCDA

46, XN

368 kb microduplication was detected in chromosome 7p22.2

Ceaserian section

10

36

12.7

SP

2.77

0

DCDA

46, XN

1.37 Mb microduplication was detected in chromosome 15q13.2q13.3

Normal labour

11

34

13.1

IVF

3.11

0

DCDA

46, XN

300 kb microduplication was detected in chromosome 18q22.1

Normal labour

12

34

13.1

IVF

2.46

0

DCDA

46, XN

300 kb microduplication was detected in chromosome 18q22.1

Normal labour

13

32

12.9

SP

1.48

0

MCDA

46, XN

256 kb microdeletion was detected in chromosome 3p14.2

Ceaserian section

  1. SP Spontaneous. MA Mean maternal age. GA Gestational age, CM Conceived method, CMA Chromosomal microarray analysis
  2. 0 Nasal bone exists; 1 Nasal bone loss