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OB Tables
LOGIQ 7/LOGIQ 7 Pro Advanced Reference Manual
3
-
55
Direction 5116269-100 Rev. 2
Merz
Table 3-89: AC: Merz (Fetal Age)
Habilitationsschrift, Mainz University Women’s Hospital, 1988
Unit: Meas (mm); Min/Mean/Max (Weeks); Table/Graph Range: 5%:95%
Meas
Min
Mean
Max
Meas
Min
Mean
Max
<56
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
102
104
106
108
110
112
114
116
118
120
122
124
126
128
130
132
134
136
138
140
142
144
146
148
150
n/a
10w6d
11w1d
11w2d
11w4d
11w5d
11w6d
12w0d
12w1d
12w3d
12w4d
12w6d
12w6d
13w1d
13w2d
13w4d
13w5d
13w6d
14w0d
14w1d
14w3d
14w4d
14w6d
14w6d
15w1d
15w2d
15w4d
15w5d
15w6d
16w0d
16w1d
16w3d
16w4d
16w6d
17w0d
17w1d
17w2d
17w4d
17w5d
17w6d
18w0d
18w1d
18w3d
18w4d
18w6d
19w0d
19w1d
19w2d
19w4d
n/a
12w1d
12w2d
12w4d
12w5d
12w6d
13w1d
13w2d
13w4d
13w4d
13w6d
14w0d
14w1d
14w3d
14w4d
14w6d
15w0d
15w1d
15w3d
15w4d
15w5d
15w6d
16w1d
16w2d
16w4d
16w5d
16w6d
17w1d
17w2d
17w3d
17w4d
17w6d
18w0d
18w1d
18w3d
18w4d
18w6d
19w0d
19w1d
19w2d
19w4d
19w5d
19w6d
20w1d
20w2d
20w4d
20w5d
20w6d
21w1d
n/a
13w2d
13w4d
13w5d
13w6d
14w1d
14w2d
14w4d
14w5d
14w6d
15w1d
15w2d
15w4d
15w5d
15w6d
16w1d
16w2d
16w4d
16w5d
16w6d
17w1d
17w2d
17w4d
17w5d
17w6d
18w1d
18w2d
18w3d
18w4d
18w6d
19w0d
19w1d
19w3d
19w4d
19w6d
20w0d
20w1d
20w3d
20w4d
20w6d
21w0d
21w1d
21w3d
21w4d
21w6d
22w0d
22w1d
22w3d
22w4d
152
154
156
158
160
162
164
166
168
170
172
174
176
178
180
182
184
186
188
190
192
194
196
198
200
202
204
206
208
210
212
214
216
218
220
222
224
226
228
230
232
234
236
238
240
242
244
246
248
19w5d
19w6d
20w1d
20w1d
20w3d
20w4d
20w6d
21w0d
21w1d
21w2d
21w4d
21w5d
21w6d
22w1d
22w1d
22w3d
22w4d
22w6d
23w0d
23w1d
23w2d
23w4d
23w5d
23w6d
24w1d
24w2d
24w3d
24w4d
24w6d
25w0d
25w1d
25w2d
25w4d
25w5d
25w6d
26w1d
26w2d
26w3d
26w4d
26w6d
27w0d
27w1d
27w3d
27w4d
27w5d
27w6d
28w1d
28w2d
28w3d
21w1d
21w3d
21w4d
21w6d
22w0d
22w1d
22w3d
22w4d
22w6d
23w0d
23w1d
23w2d
23w4d
23w5d
23w6d
24w1d
24w2d
24w4d
24w5d
24w6d
25w0d
25w1d
25w3d
25w4d
25w6d
26w0d
26w1d
26w3d
26w4d
26w6d
27w0d
27w1d
27w2d
27w4d
27w5d
27w6d
28w1d
28w2d
28w4d
28w5d
28w6d
29w0d
29w1d
29w3d
29w4d
29w6d
30w0d
30w1d
30w3d
22w6d
23w0d
23w1d
23w3d
23w4d
23w6d
24w0d
24w1d
24w3d
24w4d
24w6d
25w0d
25w1d
25w3d
25w4d
25w6d
26w0d
26w1d
26w3d
26w4d
26w6d
27w0d
27w1d
27w3d
27w4d
27w6d
27w6d
28w1d
28w2d
28w4d
28w5d
28w6d
29w1d
29w2d
29w4d
29w5d
29w6d
30w1d
30w2d
30w4d
30w5d
30w6d
31w1d
31w2d
31w4d
31w5d
31w6d
32w1d
32w2d