OB Tables
Mayden
Meas
Mean
5
11.6
5
11.6
6
12.1
6
12.6
6
12.6
7
13.1
7
13.6
7
13.6
8
14.1
8
14.6
8
14.6
9
15.0
9
15.5
9
15.5
10
16.0
10
16.5
10
16.5
10
17.0
11
17.5
Meas
Mean
13
11.6
14
11.6
15
12.1
16
12.6
17
12.6
17
13.1
18
13.6
19
13.6
20
14.1
21
14.6
21
14.6
22
15.0
23
15.5
24
15.5
25
16.0
25
16.5
26
16.5
27
17.0
27
17.5
3
44
-
Table 3-72: IOD: Mayden (Fetal Age)
Am J Obstet Gynecol 144:289, 1982
Unit: Meas (mm); Mean (Weeks)
Meas
Mean
11
17.9
12
18.4
12
18.9
12
19.4
13
19.4
13
19.9
13
20.4
13
20.4
14
20.9
14
21.3
14
21.3
14
21.8
14
22.3
15
22.3
15
22.8
15
23.3
15
23.3
15
23.8
16
24.3
Table 3-73: OOD: Mayden (Fetal Age)
Am J Obstet Gynecol 144:289, 1982
Unit: Meas (mm); Mean (Weeks)
Meas
Mean
28
17.9
30
18.4
31
18.9
32
19.4
32
19.4
33
19.9
34
20.4
34
20.4
35
20.9
36
21.3
36
21.3
37
21.8
38
22.3
38
22.3
39
22.8
40
23.3
40
23.3
41
23.8
41
24.3
Meas
Mean
16
24.3
16
24.7
16
25.2
16
25.2
17
25.7
17
26.2
17
26.2
17
26.7
17
27.2
17
27.6
17
28.1
18
28.6
18
29.1
18
29.6
18
30.0
18
30.6
18
31.0
18
31.5
18
32.0
Meas
Mean
42
24.3
43
24.7
43
25.2
44
25.2
44
25.7
45
26.2
45
26.2
46
26.7
46
27.2
47
27.6
47
28.1
48
28.6
48
29.1
49
29.6
50
30.0
50
30.6
51
31.0
51
31.5
52
32.0
LOGIQ 7 Advanced Reference Manual
Direction 2392205-100 Rev. 1
Meas
Mean
19
32.5
19
33.0
19
33.5
19
34.0
19
34.4
19
35.0
19
35.4
19
35.9
19
36.4
19
36.9
19
37.3
19
37.8
19
38.3
19
38.3
19
39.3
19
39.8
Meas
Mean
52
32.5
53
33.0
54
33.5
54
34.0
54
34.4
55
35.0
55
35.4
56
35.9
56
36.4
57
36.9
57
37.3
58
37.8
58
38.3
58
38.3
59
39.3
59
39.8
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