9 R e f e r e n c i a s o b s t é t r i c a s
Longitud craneocaudal, Rempen
Rempen A. "Biometrie in der Frühgravidität (I. Trimenon) (Biometry in Early Pregnancy (1st Trimester))."
1991, p. 427.
5 & 95%: ± 7.8 mm
Sem. Dia
5%
Media
95%
Sem. Dia
5 5
0
1.2
9.0
7 2
5 6
0
2.1
9.9
7 3
6 0
0
3.0
10.8
7 4
6 1
0
3.8
11.6
7 5
6 2
0
4.7
12.5
7 6
6 3
0
5.7
13.5
8 0
6 4
0
6.6
14.4
8 1
6 5
0
7.5
15.3
8 2
6 6
0.7
8.5
16.3
8 3
7 0
1.7
9.5
17.3
8 4
7 1
2.7
10.5
18.3
8 5
Longitud craneocaudal, Robinson
Robinson HP and Fleming JEE. "A critical evaluation of sonar 'crown-rump length' measurements."
and Gynaecology
82:702, 1975.
2
LCN(mm)=0,0144 * EM
(días) - 0,6444 * EM + 7,295
Sem. Dia
5%
Media
95%
Sem. Dia
6 2
6.8
4.4
9.3
7 6
6 3
7.5
4.9
10.0
8 0
6 4
8.1
5.5
10.8
8 1
6 5
8.8
6.0
11.6
8 2
6 6
9.5
6.6
12.4
8 3
7 0
10.3
7.3
13.3
8 4
7 1
11.1
7.9
14.2
8 5
7 2
11.9
8.6
15.1
8 6
7 3
12.7
9.4
16.1
9 0
7 4
13.6
10.1
17.1
9 1
7 5
14.5
10.9
18.1
9 2
Longitud craneocaudal, Hansmann
Hansmann M, Hackelöer B-J, Staudach A.
5 & 95%: (2 Desviaciones estándar/2 * 1,645)
Sem. Dia
5%
Media
95%
Sem. Dia
6 1
3.1
6.9
10.7
9 0
6 2
3.7
7.6
11.6
9 1
6 3
4.1
8.3
12.5
9 2
6 4
4.6
9.0
13.4
9 3
6 5
4.9
9.6
14.2
9 4
6 6
5.3
10.2
15.1
9 5
7 0
5.8
10.8
15.8
9 6
7 1
6.1
11.4
16.7
10 0
7 2
6.6
12.1
17.5
10 1
7 3
7.0
12.7
18.4
10 2
7 4
7.5
13.3
19.2
10 3
7 5
7.9
14.0
20.1
10 4
7 6
8.4
14.7
21.0
10 5
8 0
8.9
15.4
22.0
10 6
8 1
9.5
16.2
22.9
11 0
8 2
10.1
17.0
24.0
11 1
8 3
10.6
17.8
25.0
11 2
8 4
11.3
18.7
26.1
11 3
8 5
12.0
19.6
27.2
11 4
8 6
12.7
20.6
28.3
11 5
Longitud craneocaudal, Tokyo
Masuda H, Shinozuka N, Okai T, Mizuno M. "Diagnosis of the Week of Pregnancy and Prognosis."
LCN
-
media
+
LCN
Días
1.5DS
mm
1.5DS
Días
56
10.0
15.1
19.5
66
57
10.3
15.3
20.1
67
58
10.7
15.8
20.7
68
59
11.3
16.3
21.5
69
60
11.9
17.0
22.4
70
61
12.5
17.8
23.3
71
62
13.3
18.7
24.3
72
63
14.0
19.7
25.4
73
64
14.9
20.7
26.5
74
65
15.7
21.8
27.7
75
9 - 2 6
5%
Media
95%
Sem. Dia
5%
Media
3.7
11.5
19.3
8 6
15.7
4.7
12.5
20.3
9 0
16.8
5.7
13.5
21.3
9 1
18.0
6.8
14.6
22.4
9 2
19.2
7.8
15.6
23.4
9 3
20.5
8.9
16.7
24.5
9 4
21.7
10.0
17.8
25.6
9 5
22.9
11.1
18.9
26.7
9 6
24.2
12.2
20.0
27.8
10 0
25.5
13.3
21.1
28.9
10 1
26.8
14.5
22.3
30.1
10 2
28.1
5%
Media
95%
Sem. Dia
5%
Media
15.4
11.7
19.1
9 3
27.5
16.4
12.6
20.2
9 4
28.8
17.3
13.4
21.3
9 5
30.1
18.4
14.3
22.4
9 6
31.4
19.4
15.2
23.6
10 0
32.7
20.5
16.2
24.7
10 1
34.1
21.6
17.2
26.0
10 2
35.5
22.7
18.2
27.2
10 3
37.0
23.9
19.2
28.5
10 4
38.5
25.0
20.3
29.8
10 5
40.0
26.2
21.4
31.1
10 6
41.5
Ultrasound Diagnosis in Obstetrics and Gynecology
5%
Media
95%
Sem. Dia
5%
Media
13.4
21.5
29.5
11 6
37.9
14.3
22.6
30.8
12 0
39.6
15.1
23.6
32.1
12 1
41.1
16.1
24.8
33.4
12 2
42.8
17.0
25.9
34.7
12 3
44.4
18.1
27.1
36.1
12 4
46.1
19.0
28.3
37.6
12 5
47.7
20.2
29.7
39.2
12 6
49.4
21.3
31.0
40.7
13 0
51.0
22.4
32.4
42.3
13 1
52.8
23.7
33.9
44.0
13 2
54.4
24.9
35.3
45.7
13 3
56.6
26.3
36.8
47.4
13 4
58.6
27.5
38.3
49.1
13 5
59.9
29.0
39.9
50.9
13 6
61.1
30.3
41.6
52.8
14 0
62.7
31.8
43.2
54.6
14 1
64.3
33.3
44.9
56.7
14 2
65.9
34.8
46.6
58.7
14 3
67.6
36.4
48.4
60.6
14 4
69.1
-
media
+
LCN
-
1.5DS
mm
1.5DS
Días
1.5DS
16.6
22.9
28.9
76
26.8
17.5
24.1
30.2
77
28.0
18.5
25.3
31.4
78
29.1
19.5
26.5
32.8
79
30.3
20.5
27.8
34.1
80
31.5
21.5
29.1
35.5
81
32.7
22.5
30.4
36.8
82
34.0
23.6
31.7
38.2
83
35.3
24.6
33.0
39.7
84
36.6
25.7
34.3
41.1
85
38.0
95%
Sem. Dia
5%
Media
95%
23.5
31.3
10 3
29.4
37.2
24.6
32.4
10 4
30.7
38.5
25.8
33.6
10 5
32.1
39.9
27.0
34.8
10 6
33.5
41.3
28.3
36.1
11 0
34.8
42.6
29.5
37.3
11 1
36.2
44.0
30.7
38.5
11 2
37.6
45.4
32.0
39.8
11 3
39.1
46.9
33.3
41.1
11 4
40.5
48.3
34.6
42.4
11 5
42.0
49.8
35.9
43.7
11 6
43.4
51.2
5 & 95%: (2 Desviaciones estándar/2 * 1,645)
95%
Sem. Dia
5%
Media
95%
22.5
32.5
11 0
43.1
36.8
23.7
33.8
11 1
44.6
38.3
24.9
35.3
11 2
46.3
39.8
26.1
36.7
11 3
47.9
41.3
27.3
38.2
11 4
49.6
42.9
28.6
39.7
11 5
51.3
44.5
29.9
41.2
11 6
53.0
46.1
31.2
42.8
12 0
54.8
47.7
32.6
44.4
12 1
56.6
49.4
34.0
46.0
12 2
58.4
51.1
35.4
47.6
12 3
60.2
52.8
. New York: Springer-Verlag, 1985.
95%
Sem. Dia
5%
Media
95%
50.2
62.5
14 5
70.7
87.2 103.6
52.0
64.5
14 6
72.2
88.9 105.6
53.8
66.5
15 0
73.7
90.6 107.5
55.6
68.5
15 1
75.1
92.2 109.4
57.5
70.6
15 2
76.5
93.9 111.3
59.4
72.6
15 3
78.0
95.5 113.1
61.3
74.8
15 4
79.3
97.1 114.9
63.1
76.8
15 5
80.7
98.6 116.6
65.0
79.0
15 6
81.9 100.1 118.3
66.9
81.0
16 0
83.2 101.5 119.9
68.8
83.2
16 1
84.3 103.0 121.6
70.7
85.3
16 2
85.6 104.4 123.2
72.6
87.4
16 3
86.7 105.7 124.8
74.5
89.5
16 4
87.8 107.0 126.2
76.3
91.5
16 5
88.8 108.3 127.7
78.1
93.6
16 6
89.8 109.5 129.2
80.0
95.6
17 0
90.8 110.7 130.5
81.8
97.7
17 1
91.7 111.8 132.0
83.6
99.7
17 2
92.7 113.0 133.3
85.4 101.7
17 3
93.5 114.1 134.7
media
+
LCN
-
media
mm
1.5DS
Días
1.5DS
mm
35.6
42.6
86
39.4
49.7
37.0
44.2
87
40.8
51.2
38.3
45.7
88
42.3
52.8
39.7
47.3
89
43.8
54.4
41.1
49.0
90
45.3
56.1
42.4
50.7
91
46.9
57.7
43.9
52.4
92
48.5
59.5
45.3
54.2
93
50.1
61.3
46.7
56.0
94
51.8
63.1
48.2
57.9
95
53.4
65.0
R E F E R E N C I A
Der Frauenarzt
32:425,
Sem. Dia
5%
Media
95%
45.0
12 0
44.9
52.7
60.5
46.3
12 1
46.4
54.2
62.0
47.7
12 2
47.9
55.7
63.5
49.1
12 3
49.5
57.3
65.1
50.4
12 4
51.0
58.8
66.6
51.8
12 5
52.5
60.3
68.1
53.2
12 6
54.1
61.9
69.7
54.7
13 0
55.7
63.5
71.3
56.1
13 1
57.3
65.1
72.9
57.6
13 2
58.9
66.7
74.5
59.0
British Journal of Obstetrics
Sem. Dia
5%
Media
95%
49.3
12 4
62.1
54.6
69.6
51.0
12 5
64.0
56.4
71.6
52.7
12 6
65.9
58.2
73.7
54.5
13 0
67.9
60.1
75.7
56.3
13 1
69.9
61.9
77.9
58.1
13 2
71.9
63.8
80.0
59.9
13 3
74.0
65.8
82.2
61.8
13 4
76.0
67.7
84.3
63.7
13 5
78.1
69.7
86.6
65.6
13 6
80.3
71.7
88.8
67.6
14 0
82.4
73.8
91.1
Sem. Dia
5%
Media
95%
17 4
94.4 115.1 135.9
17 5
95.2 116.2 137.2
17 6
96.1 117.2 138.3
18 0
96.8 118.1 139.5
18 1
97.5 119.1 140.6
18 2
98.2 120.0 141.8
18 3
98.9 121.0 143.0
18 4
99.6 121.9 144.1
18 5 100.3 122.8 145.3
18 6 101.1 123.7 146.3
19 0 101.8 124.6 147.5
19 1 102.5 125.5 148.6
19 2 103.2 126.5 149.8
19 3 104.0 127.4 150.9
19 4 104.7 128.4 152.2
19 5 105.5 129.4 153.3
19 6 106.4 130.5 154.7
20 0 107.3 131.6 155.9
20 1 108.2 132.8 157.3
20 2 109.3 134.0 158.8
Perinatal Care
8:719-726.
+
LCN
-
media
+
1.5DS
Días
1.5DS
mm
1.5DS
59.8
96
55.1
67.0
82.6
61.9
97
56.8
69.0
85.2
63.9
98
58.6
71.0
87.8
66.0
99
60.3
73.1
90.4
68.2
100
62.0
75.3
93.0
70.5
101
63.7
77.6
95.7
72.8
102
65.3
79.8
98.3
75.2
103
66.9
82.2 100.9
77.6
104
68.5
84.6 103.5
80.1
105
70.0
87.0 106.0
D E L
S I S T E M A