252 Chapter 18
Calculation Tables and Formulas
This section contains the tables and formulas that the system uses for obstetrical and
gynecological calculations. References are listed at the end of the chapter.
Information about the accuracy of the calculations begins on page 275.
Campbell
Campbell:
GA from BPD
Table 18-7. Campbell. Gestational age (GA) calculated from biparietal diameter (BPD)
Campbell:
GA from CRL
Table 18-8. Campbell. Gestational age (GA) calculated from crown-rump length (CRL)
BPD [mm]
GA [Days]
BPD [mm]
GA [Days]
BPD [mm]
GA [Days]
20
88
50
143
80
215
25
94
55
154
85
232
30
102
60
165
90
253
35
111
65
177
95
280
40
121
70
188
45
132
75
201
CRL [mm]
GA [Days]
CRL [mm]
GA [Days]
CRL [mm]
GA [Days]
10
49
37
73
64
89
13
52
40
75
67
90
16
55
43
77
70
92
19
58
46
79
73
93
22
61
49
81
76
95
25
63
52
82
79
96
28
66
55
84
82
97
31
69
58
86
85
98
34
71
61
87
Содержание Pro Focus 2202
Страница 1: ...English BB1279 A June 2005 Pro Focus 2202 Extended User Guide ...
Страница 14: ...14 ...
Страница 15: ...Part 1 Basics ...
Страница 16: ......
Страница 32: ...32 Chapter 1 ...
Страница 48: ...48 Chapter 2 ...
Страница 49: ...Part 2 Working with the Image ...
Страница 50: ......
Страница 98: ...98 Chapter 5 ...
Страница 117: ...Part 3 Imaging Modes ...
Страница 118: ......
Страница 136: ...136 Chapter 8 ...
Страница 152: ...152 Chapter 10 ...
Страница 164: ...164 Chapter 12 ...
Страница 165: ...Part 4 Setting up and Maintaining Your System ...
Страница 166: ......
Страница 200: ...200 Chapter 13 ...
Страница 208: ...208 Chapter 14 ...
Страница 209: ...Part 5 Pro Packages ...
Страница 210: ......
Страница 288: ...288 Chapter 19 ...
Страница 313: ...Part 6 Appendixes ...
Страница 314: ......
Страница 344: ...344 Appendix C ...