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Biparietal diameter (BPD)
Table Set1: Tokyo University Method
BPD
mm
WEEKS
w. d.
S.D
±days
BPD
mm
WEEKS
w. d.
S.D
±days
16
11.3
7
56
23.0
11
18
11.6
7
58
23.5
11
20
12.0
7
60
24.2
12
22
12.4
7
62
25.0
12
24
13.0
7
64
25.6
12
26
13.6
7
66
26.3
13
28
14.2
7
68
27.3
13
30
14.6
7
70
28.0
13
32
15.2
7
72
29.0
14
34
16.0
8
74
29.5
14
36
16.3
8
76
30.1
15
38
17.0
8
78
31.1
16
40
17.5
8
80
32.1
16
42
18.2
9
82
33.0
18
44
19.0
9
84
34.0
20
46
19.5
10
86
35.5
25
48
20.2
10
88
37.0
25
50
21.0
10
90
39.0
25
52
21.4
10
92
42.0
25
54
22.2
10
69