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Table 1 Measurements of the thyroid cartilage (R-right, L-left) in mm.

From: Changes of laryngeal parameters during intrauterine life

(HBD) Fetal month

Length in midline

Length of lamina

Width of lamina

Distance between bases of the greater horn

 

Male

Female

Male

Female

Male

Female

Male

Female

   

R

L

R

L

R

L

R

L

  

13

4.7

4.8

5.8

5.7

5.5

5.6

3.1

3.1

2.9

2.8

6.3

6.4

14

4.7

4.9

5.8

5.7

5.5

5.7

3.1

3.1

2.9

2.9

6.4

6.5

15

4.8

4.9

6.0

6.1

5.9

5.9

3.2

3.2

3.0

3.0

6.5

6.5

16

4.9

4.8

6.0

6.2

6.0

6.0

3.3

3.4

3.1

3.1

6.6

6.7

17

4.9

5.0

6.1

6.2

6.1

6.0

3.4

3.4

3.2

3.2

6.7

6.8

18

5.0

5.0

6.7

6.7

6.2

6.4

3.4

3.4

3.2

3.2

6.8

6.8

19

5.3

5.4

6.8

6.8

6.5

6.6

3.5

3.5

3.3

3.3

6.9

6.9

20

5.4

5.4

7.0

7.1

7.0

7.0

3.7

3.7

3.5

3.5

7.1

7.0

21

5.4

5.6

7.1

7.2

7.0

7.1

3.7

3.7

3.5

3.5

7.3

7.4

22

5.6

5.6

7.3

7.4

7.3

7.3

3.8

3.8

3.5

3.5

7.6

7.5

23

5.7

5.7

7.2

7.3

7.1

7.1

3.7

3.7

3.5

3.5

7.6

7.5

24

5.8

5.8

7.3

7.4

7.3

7.3

4.1

4.1

3.5

3.5

7.8

7.5

25

5.8

5.9

7.3

7.4

7.3

7.3

4.2

4.3

3.5

3.5

7.8

7.6

26

5.9

6.0

7.4

7.4

7.3

7.3

4.4

4.4

3.5

3.5

7.9

7.9

27

6.0

6.0

7.5

7.6

7.4

7.4

4.5

4.5

3.6

3.6

8.0

7.7