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OB Tables
3
-
78
LOGIQ 7/LOGIQ 7 Pro Advanced Reference Manual
Direction 5116269-100 Rev. 2
Robinson
Tokyo
Table 3-116: CRL: Robinson (Fetal Age)
Br J Gynecol, 82: 702, 1975
Unit: CRL (mm); Age (Days); SD (mm)
CRL
Age
SD
CRL
Age
SD
CRL
Age
SD
CRL
Age
SD
<7
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
n/a
45
46
47
48
50
52
53
54
55
56
57
58
59
60
60
61
62
63
64
——
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
64
65
66
67
68
69
69
70
70
71
72
72
73
74
74
75
75
76
77
77
5
5
6
6
6
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
78
79
79
80
81
82
83
83
83
84
84
84
85
85
86
86
87
88
89
90
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
>82
90
90
91
91
91
92
92
93
93
93
94
94
95
95
96
97
98
n/a
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
——
Table 3-117: APTDxTTD: Tokyo (Fetal Age)
Tokyo University Method 1986, 6 by University Tokyo
Unit: Meas (cm
2
); Age (Weeks/Days); SD (Days)
Meas
Age
SD
Meas
Age
SD
Meas
Age
SD
<10
10
12
14
16
18
20
22
24
26
28
30
32
34
36
n/a
16w1d
17w0d
17w6d
18w4d
19w3d
20w1d
20w6d
21w4d
22w2d
22w6d
23w4d
24w1d
24w5d
25w2d
——
± 8d
± 8d
± 8d
± 8d
± 8d
± 8d
± 9d
± 9d
± 9d
± 9d
± 9d
± 10d
± 10d
± 10d
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
25w6d
26w3d
27w0d
27w3d
28w0d
28w4d
29w0d
29w3d
30w0d
30w3d
31w0d
31w3d
31w6d
32w3d
32w6d
± 10d
± 11d
± 11d
± 11d
± 12d
± 12d
± 12d
± 13d
± 13d
± 13d
± 14d
± 14d
± 14d
± 15d
± 15d
68
70
72
74
76
78
80
82
84
86
88
90
>90
33w3d
33w6d
34w2d
34w6d
35w3d
35w6d
36w3d
37w0d
37w4d
38w1d
38w5d
39w2d
n/a
± 15d
± 16d
± 16d
± 17d
± 17d
± 17d
± 18d
± 18d
± 18d
± 18d
± 19d
± 19d
——