Humerus Length
Chervenak FA, Isaacson GC, Campbell S (eds)
Ultrasound in Obstetrics
and Gynecology 1992;
Table A1-12:pg 1783.
Boston: Little, Brown and Company
|
GA (wks) |
-2SD |
Mean |
+2SD |
|
12 |
7.3 |
10.1 |
12.9 |
|
13 |
8 |
12.2 |
16.4 |
|
14 |
11.3 |
15.5 |
19.7 |
|
15 |
13 |
18.2 |
23.4 |
|
16 |
16.6 |
21.8 |
27 |
|
17 |
20 |
24.4 |
28.6 |
|
18 |
22.4 |
27.4 |
32.4 |
|
19 |
26.3 |
30.1 |
33.9 |
|
20 |
28.5 |
32.1 |
35.7 |
|
21 |
29.7 |
35.1 |
40.5 |
|
22 |
32.8 |
36.6 |
40.4 |
|
23 |
34.2 |
39.8 |
45.4 |
|
24 |
36.3 |
41.9 |
47.5 |
|
25 |
38.7 |
42.9 |
47.1 |
|
26 |
39.9 |
45.3 |
50.7 |
|
27 |
42.2 |
47.8 |
53.4 |
|
28 |
42.7 |
49.5 |
56.3 |
|
29 |
46.6 |
51.8 |
57 |
|
30 |
46.8 |
51.8 |
56.8 |
|
31 |
48.5 |
54.3 |
60.1 |
|
32 |
51 |
55 |
59 |
|
33 |
50.6 |
56.6 |
62.6 |
|
34 |
53.9 |
57.9 |
61.9 |
|
35 |
56.3 |
60.1 |
63.9 |
|
36 |
55 |
61 |
67 |
|
37 |
58.9 |
63.3 |
67.7 |
|
38 |
56.7 |
62.7 |
68.7 |
|
39 |
59.1 |
65.1 |
71.1 |
|
40 |
57.8 |
66.2 |
74.6 |
|
41 |
60.7 |
65.3 |
69.9 |
|
42 |
33.1 |
62.3 |
91.5 |