Outer 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

12

16

20

14

14

18

22

15

17

21

25

16

19

23

27

17

21

25

29

18

24

27

31

19

26

30

34

20

28

32

36

21

30

34

38

22

32

36

40

23

33

37

41

24

35

39

43

25

37

41

45

26

39

43

47

27

40

44

48

28

42

46

50

29

43

47

51

30

45

49

52

31

46

50

54

32

47

51

55

33

48

52

56

34

49

53

57

35

50

54

58