Inner Orbital Distance

  Trout T, Budorick NE, Pretorius DH et.al.

Significance of orbital measurements in the fetus

    J Ultrasound Med 1994;13:937-943

 

GA

(wks)

5th

Percentile

50th

Percentile

95th Percentile

13

4

7

10

14

5

8

11

15

5

8

11

16

6

9

12

17

7

10

13

18

8

11

14

19

8

11

14

20

9

12

15

21

10

13

16

22

10

13

16

23

11

14

17

24

12

14

17

25

12

15

18

26

13

16

19

27

13

16

19

28

14

17

20

29

14

17

20

30

15

18

21

31

15

18

21

32

16

19

22

33

17

20

23

34

17

20

23

35

18

21

24