DUS 60 Digital Ultrasonic Diagnostic Imaging System User Manual Obstetrical References
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19 15w3d 11 37 21w6d 15 56 29w3d 17 75 37w5d 18
20 15w6d 11 38 22w2d 13 57 29w6d 17 76 38w1d 19
21 16w1d 11 40 23w1d 15 58 30w1d 17 77 38w5d 19
22 16w4d 11 41 23w3d 15 59 30w4d 17 78 39w1d 19
23 16w4d 11 42 23w5d 15 60 31w0d 17 79 39w4d 19
24 17w1d 12 43 24w1d 15 61 31w4d 17 80 40w1d 18
25 14w7d 13 44 24w4d 16 62 31w6d 17
26 17w6d 13 45 25w0d 16 63 32w2d 17
27 18w2d 13 46 25w3d 15 64 32w6d 17
Jeanty:
Jeanty P, Rodesch F etc. “Estimation of Gestational Age from measurement of Fetal Long Bones.”
Journal of Ultrasound in Medicine 3:75, 1984
MA (FL mm) = (9.5411757+0.2977451 * FL) + (0.0010388013 * FL
2
)
Tokyo:
Studies on Fetal Growth and Functional Developments, Takashi Okai, Department of Obstetrics and
Gynecology, Faculty of Medicine, University of Tokyo
Table FL, Tokyo
FL cm MA
+/-
2SD
FL cm MA
+/-
2SD
FL cm MA
+/-
2SD
FL cm MA
+/-
2SD
0.8 12w3d 10 2.6 17w6d 10 4.4 25w2d 25 6.2 34w0d 42
1 13w0d 10 2.8 18w4d 14 4.6 26w0d 25 6.4 35w0d 46
1.2 13w4d 10 3 19w2d 17 4.8 27w0d 25 6.6 36w0d 50
1.4 14w1d 10 3.2 20w5d 17 5 28w0d 25 6.8 38w0d 57
1.6 14w5d 10 3.4 21w5d 18 5.2 29w0d 30 7 40w0d 64
1.8 15w2d 10 3.6 22w3d 19 5.4 29w5d 30 7.2 40w2d 64
2 16w0d 10 3.8 23w0d 21 5.6 30w2d 30
2.2 16w4d 10 4 24w0d 22 5.8 31w3d 32
2.4 17w1d 10 4.2 24w5d 24 6 33w0d 38
China:
Wu Zhongyu, “Ultrasound Diagnosis in Obstetrics and Gynecology”, Tianjin Science and Technology
Publisher, 1995
DUS 60 Digital Ultrasonic Diagnostic Imaging System User Manual Obstetrical References
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Table FL, China
FL cm MA
+/-
2SD
FL cm MA
+/-
2SD
FL cm MA
+/-
2SD
FL cm MA
+/-
2SD
0.6 12w4d 7 2.4 18w0d 9 4.2 24w0d 16 6 33w0d 18
0.7 12w5d 7 2.5 18w2d 9 4.3 24w3d 16 6.1 33w3d 18
0.8 13w0d 8 2.6 18w4d 10 4.4 24w6d 16 6.2 34w0d 18
0.9 13w2d 8 2.7 18w6d 10 4.5 25w2d 16 6.3 34w3d 19
1 13w5d 8 2.8 19w2d 11 4.6 25w6d 16 6.4 35w0d 20
1.1 14w0d 8 2.9 19w4d 11 4.7 26w3d 16 6.5 35w3d 20
1.2 14w2d 8 3 19w6d 12 4.8 26w6d 16 6.6 35w6d 20
1.3 14w4d 8 3.1 20w1d 13 4.9 27w4d 17 6.7 36w3d 20
1.4 14w6d 8 3.2 20w3d 13 5 27w6d 17 6.8 37w0d 21
1.5 15w1d 8 3.3 20w5d 14 5.1 28w3d 17 6.9 37w3d 22
1.6 15w3d 8 3.4 21w1d 14 5.2 28w6d 17 7 38w0d 23
1.7 15w5d 8 3.5 21w3d 15 5.3 29w3d 17 7.1 38w3d 23
1.8 16w0d 8 3.6 21w6d 15 5.4 29w6d 17 7.2 38w6d 23
1.9 16w3d 8 3.7 22w2d 15 5.5 30w3d 17 7.3 39w3d 23
2 16w5d 8 3.8 22w4d 15 5.6 30w6d 17 7.4 39w6d 23
2.1 17w0d 8 3.9 23w0d 15 5.7 31w3d 17 7.5 40w2d 23
2.2 17w2d 8 4 23w2d 16 5.8 31w6d 18
2.3 17w4d 8 4.1 23w4d 16 5.9 32w3d 18
Osaka:
Osaka University (2002/April/08)
Table FL, Osaka
FL
cm
Mean Min Max
FL
cm
Mean Min Max
FL
cm
Mean Min Max
0.94 13w0d 12w3d 13w4d 3.61 22w1d 21w1d 23w1d 5.69 31w2d 29w6d 32w5d
1.03 13w2d 12w5d 13w6d 3.68 22w3d 21w3d 23w3d 5.74 31w4d 30w1d 33w0d
1.12 13w4d 12w6d 14w1d 3.75 22w5d 21w5d 23w4d 5.80 31w6d 30w2d 33w3d
1.21 13w6d 13w1d 14w3d 3.83 23w0d 22w0d 24w0d 5.85 32w1d 30w4d 33w5d
1.30 14w1d 13w3d 14w5d 3.90 23w2d 22w2d 24w2d 5.90 32w3d 30w6d 34w0d
1.39 14w3d 13w5d 15w1d 3.97 23w4d 22w4d 24w4d 5.96 32w5d 31w1d 34w2d
1.48 14w5d 14w0d 15w3d 4.04 23w6d 22w6d 24w6d 6.01 33w0d 31w3d 34w4d
1.57 15w0d 14w2d 15w5d 4.11 24w1d 23w0d 25w1d 6.06 33w2d 31w5d 34w6d
1.66 15w2d 14w4d 16w0d 4.18 24w3d 23w2d 25w3d 6.11 33w4d 32w0d 35w1d
1.75 15w4d 14w6d 16w2d 4.25 24w5d 23w4d 25w5d 6.16 33w6d 32w1d 35w3d
1.83 15w6d 15w1d 16w4d 4.32 25w0d 23w6d 26w0d 6.21 34w1d 32w3d 35w6d
1.92 16w1d 15w3d 16w6d 4.39 25w2d 24w1d 26w3d 6.26 34w3d 32w5d 36w1d
2.01 16w3d 15w4d 17w1d 4.45 25w4d 24w3d 26w4d 6.31 34w5d 33w0d 36w3d
2.09 16w5d 15w6d 17w3d 4.52 25w6d 24w5d 27w0d 6.36 35w0d 33w2d 36w6d
2.18 17w0d 16w1d 17w5d 4.59 26w1d 25w0d 27w2d 6.41 35w2d 33w4d 37w1d
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