GE Medical Systems LOGIQ 7 Reference Manual page 189

Unit: CRL (mm); Age (Weeks/Days); 2SD (mm [Known LMP] or day [Unknown LMP])
CRL Age 2SD
<1 n/a ——
1 5w5d 8
2 5w6d 8
3 6w0d 8
4 6w1d 8
5 6w2d 8
6 6w3d 8
7 6w4d 8
8 6w6d 8
9 6w6d 8
10 7w0d 8
11 7w2d 8
12 7w2d 8
13 7w4d 8
14 7w4d 8
15 7w5d 8
16 7w6d 8
8
17 8w0d
18 8w1d 8
19 8w2d 8
20 8w3d 8
21 8w4d 8
22 8w5d 8
23 8w6d 8
24 8w6d 8
25 9w0d 8
26 9w1d 8
27 9w2d 8
28 9w3d 8
29 9w4d 8
30 9w4d 8
31 9w5d 8
32 9w6d 8
33 10w0d 8
34 10w1d 8
35 10w1d 8
36 10w2d 8
37 10w3d 8
38 10w4d 8
39 10w4d 8
LOGIQ 7 Advanced Reference Manual
Direction 2392205-100 Rev. 1
Table 3-98: CRL: Rempen (Fetal Age)
Der Frauenarzt 32, 4 (1991) 425-30
Known LMP (left)
—
CRL Age 2SD
40 10w5d 8
41 10w6d 8
42 11w0d 8
43 11w0d 8
44 11w1d 8
45 11w2d 8
46 11w2d 8
47 11w3d 8
48 11w4d 8
49 11w4d 8
50 11w5d 8
51 11w6d 8
52 12w0d 8
53 12w0d 8
54 12w1d 8
55 12w2d 8
56 12w2d 8
57 12w3d 8
58 12w3d 8
59 12w4d 8
60 12w5d 8
61 12w5d 8
62 12w6d 8
63 13w0d 8
64 13w0d 8
65 13w1d 8
66 13w2d 8
>66 n/a ——
Unknown LMP (right)
CRL Age 2SD
<2 n/a ——
2 6w0d 6
3 6w1d 6
4 6w2d 6
5 6w3d 6
6 6w4d 6
7 6w5d 6
8 6w6d 6
9 7w0d 6
10 7w1d 6
6
11 7w2d
12 7w3d 6
13 7w4d 7
14 7w5d 7
15 7w6d 7
16 7w6d 7
17 8w0d 7
18 8w1d 6
19 8w2d 6
20 8w3d 6
21 8w4d 7
22 8w5d 7
23 8w5d 7
24 8w6d 7
25 9w0d 6
26 9w1d 6
27 9w2d 7
28 9w3d 7
29 9w3d 7
30 9w4d 7
31 9w5d 7
32 9w6d 7
33 9w6d 7
34 10w0d 6
35 10w1d 6
36 10w2d 7
37 10w2d 7
38 10w3d 6
39 10w4d 6
40 10w5d 7
OB Tables
CRL Age 2SD
41 10w5d 7
42 10w6d 6
43 11w0d 7
44 11w0d 7
45 11w1d 6
46 11w2d 7
47 11w2d 7
48 11w3d 6
49 11w4d 7
50 11w4d 6
51 11w5d 6
52 11w5d 7
53 11w6d 6
54 12w0d 7
55 12w0d 7
56 12w1d 6
57 12w1d 7
58 12w2d 6
59 12w3d 7
60 12w3d 6
61 12w4d 7
62 12w4d 6
63 12w5d 7
12w5d 7
64
65 12w6d 6
66 12w6d 7
67 13w0d 6
68 13w0d 7
69 13w1d 6
70 13w1d 7
71 13w2d 7
72 13w2d 6
73 13w3d 7
74 13w3d 6
75 13w4d 7
76 13w4d 6
77 13w4d 7
78 13w5d 6
>78 n/a ——
3 65
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