GE Medical Systems LOGIQ 7 Reference Manual page 145

Ultrasound Diagnosis in Obstetrics & Gynecology, 438-439, 1985
Unit: CRL (mm); Age (Weeks/Days); 2SD (mm [Known LMP] or day [Unknown LMP])
CRL Age 2SD
<13 n/a ——
13 7w4d 0
14 7w5d 0
15 8w0d 0
16 8w1d 0
17 8w2d 0
18 8w3d 0
19 8w4d 7
20 8w5d 7
8
21 8w6d
22 9w0d 8
23 9w1d 10
24 9w2d 10
25 9w3d 11
26 9w4d 11
27 9w4d 11
28 9w5d 11
29 9w6d 11
30 10w0d 12
10w0d 12
31
32 10w1d 12
33 10w2d 12
34 10w3d 12
35 10w3d 13
36 10w4d 13
37 10w5d 13
38 10w5d 13
39 10w6d 13
40 10w6d 13
41 11w0d 14
42 11w1d 14
43 11w1d 14
44 11w2d 14
45 11w2d 14
46 11w3d 14
11w3d 15
47
48 11w4d 15
49 11w4d 15
50 11w5d 15
51 11w5d 15
52 11w6d 15
53 11w6d 15
LOGIQ 7 Advanced Reference Manual
Direction 2392205-100 Rev. 1
Table 3-38: CRL: Hansmann (Fetal Age)
CRL Age 2SD
Known LMP
54 12w0d 15
55 12w1d 16
56 12w1d 16
57 12w2d 16
58 12w2d 16
59 12w3d 16
60 12w3d 16
61 12w4d 15
62 12w4d 15
63 12w5d 15
64 12w5d 15
65 12w6d 15
66 12w6d 15
67 13w0d 15
68 13w1d 15
69 13w1d 15
70 13w2d 15
71 13w3d 15
72 13w3d 15
73 13w4d 15
74 13w4d 15
75 13w5d 15
15
76 13w5d
77 13w6d 15
78 13w6d 15
79 14w0d 15
80 14w0d 15
81 14w1d 13
82 14w1d 13
83 14w2d 13
84 14w2d 13
85 14w3d 13
86 14w3d 13
87 14w4d 13
88 14w4d 13
89 14w5d 13
90 14w6d 13
91 14w6d 12
12
92 15w0d
93 15w0d 12
94 15w1d 12
95 15w2d 12
CRL Age 2SD
96 15w3d 11
97 15w3d 11
15w4d 11
98
99 15w4d 11
100 15w5d 11
101 15w5d 10
102 15w6d 10
103 15w6d 10
104 16w0d 10
105 16w1d 10
106 16w2d 10
107 16w2d 10
108 16w3d 10
109 16w3d 10
110 16w4d 10
111 16w4d 11
112 16w5d 11
113 16w5d 11
114 16w6d 11
115 17w0d 11
116 17w1d 12
117 17w2d 12
118 17w2d 12
119 17w3d 12
120 17w3d 12
13
121 17w4d
122 17w5d 13
123 17w5d 13
124 17w6d 13
125 18w0d 13
126 18w1d 14
127 18w1d 14
128 18w2d 14
129 18w2d 14
130 18w3d 15
131 18w4d 15
132 18w4d 15
133 18w5d 15
134 18w6d 15
135 19w0d 15
136 19w1d 15
137 19w1d 15
OB Tables
CRL Age 2SD
138 19w2d 15
139 19w3d 15
140 19w4d 15
141 19w4d 16
142 19w5d 16
16
143 19w5d
144 19w6d 16
145 20w0d 16
146 20w1d 17
147 20w2d 17
148 20w2d 17
149 20w3d 17
150 20w4d 17
151 20w4d 0
152 20w5d 0
20w5d 0
153
154 20w6d 0
155 21w0d 0
156 21w0d 0
157 21w1d 0
158 21w1d 0
159 21w2d 0
160 21w3d 0
161 21w3d 0
162 21w4d 0
163 21w4d 0
164 21w5d 0
165 21w6d 0
166 21w6d 0
167 22w0d 0
168 22w0d 0
169 22w1d 0
170 22w1d 0
171 22w2d 0
172 22w2d 0
173 22w3d 0
174 22w3d 0
175 22w4d 0
>175 n/a ——
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