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OB Tables
LOGIQ 7/LOGIQ 7 Pro Advanced Reference Manual
3
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53
Direction 5116269-100 Rev. 2
Mayden
Table 3-86: IOD: Mayden (Fetal Age)
Am J Obstet Gynecol 144:289, 1982
Unit: Meas (mm); Mean (Weeks)
Meas
Mean
Meas
Mean
Meas
Mean
Meas
Mean
5
5
6
6
6
7
7
7
8
8
8
9
9
9
10
10
10
10
11
11.6
11.6
12.1
12.6
12.6
13.1
13.6
13.6
14.1
14.6
14.6
15.0
15.5
15.5
16.0
16.5
16.5
17.0
17.5
11
12
12
12
13
13
13
13
14
14
14
14
14
15
15
15
15
15
16
17.9
18.4
18.9
19.4
19.4
19.9
20.4
20.4
20.9
21.3
21.3
21.8
22.3
22.3
22.8
23.3
23.3
23.8
24.3
16
16
16
16
17
17
17
17
17
17
17
18
18
18
18
18
18
18
18
24.3
24.7
25.2
25.2
25.7
26.2
26.2
26.7
27.2
27.6
28.1
28.6
29.1
29.6
30.0
30.6
31.0
31.5
32.0
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
32.5
33.0
33.5
34.0
34.4
35.0
35.4
35.9
36.4
36.9
37.3
37.8
38.3
38.3
39.3
39.8
Table 3-87: OOD: Mayden (Fetal Age)
Am J Obstet Gynecol 144:289, 1982
Unit: Meas (mm); Mean (Weeks)
Meas
Mean
Meas
Mean
Meas
Mean
Meas
Mean
13
14
15
16
17
17
18
19
20
21
21
22
23
24
25
25
26
27
27
11.6
11.6
12.1
12.6
12.6
13.1
13.6
13.6
14.1
14.6
14.6
15.0
15.5
15.5
16.0
16.5
16.5
17.0
17.5
28
30
31
32
32
33
34
34
35
36
36
37
38
38
39
40
40
41
41
17.9
18.4
18.9
19.4
19.4
19.9
20.4
20.4
20.9
21.3
21.3
21.8
22.3
22.3
22.8
23.3
23.3
23.8
24.3
42
43
43
44
44
45
45
46
46
47
47
48
48
49
50
50
51
51
52
24.3
24.7
25.2
25.2
25.7
26.2
26.2
26.7
27.2
27.6
28.1
28.6
29.1
29.6
30.0
30.6
31.0
31.5
32.0
52
53
54
54
54
55
55
56
56
57
57
58
58
58
59
59
32.5
33.0
33.5
34.0
34.4
35.0
35.4
35.9
36.4
36.9
37.3
37.8
38.3
38.3
39.3
39.8