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OB Tables
LOGIQ 7/LOGIQ 7 Pro Advanced Reference Manual
3
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21
Direction 5116269-100 Rev. 2
Table 3-38: BPD: Hadlock, Radiology 1984, Vol. 152:497
a
(Fetal Age)
Unit:meas (mm); mean(Week); SD (Week)
Table Type = SD, Table Range = 2SD, Graph Range = 2SD
Meas
Mean
SD
Meas
Mean
SD
Meas
Mean
SD
Meas
Mean
SD
<14
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
n/a
11.9
12.1
12.3
12.5
12.8
13.0
13.2
13.4
13.6
13.8
14.1
14.3
14.5
14.8
15.0
15.2
15.5
15.7
16.0
16.3
16.5
16.8
——
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
1.19
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
17.0
17.3
17.6
17.9
18.1
18.4
18.7
19.0
19.3
19.6
19.9
20.2
20.5
20.8
21.1
21.5
21.8
22.1
22.4
22.8
23.1
23.4
23.8
1.19
1.19
1.19
1.19
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
1.73
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
24.1
24.5
24.8
25.2
25.5
25.9
26.3
26.6
27.0
27.4
27.7
28.1
28.5
28.9
29.3
29.7
30.1
30.5
30.9
31.3
31.7
32.1
32.5
2.18
2.18
2.18
2.18
2.18
2.18
2.18
2.18
2.18
2.18
2.18
2.18
2.18
2.18
2.18
2.18
3.08
3.08
3.08
3.08
3.08
3.08
3.08
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
>103
33.0
33.4
33.8
34.2
34.7
35.1
35.6
36.0
36.5
36.9
37.4
37.8
38.3
38.7
39.2
39.7
40.2
40.6
41.1
41.6
42.1
42.6
n/a
3.08
3.08
3.08
3.08
3.08
3.08
3.08
3.20
3.20
3.20
3.20
3.20
3.20
3.20
3.20
3.20
3.20
3.20
3.20
3.20
3.20
3.20
——
a.Variability of GA estimate by BPD at term is ± 2 SD (6 weeks)