Reference Manual 83
Age
(day)
-1.5SD
(cm)
Mean
(cm)
+1.5SD
(cm)
Age
(day)
-1.5SD
(cm)
Mean
(cm)
+1.5SD
(cm)
153 3.000 3.350 3.700 248 5.290 5.710 6.130
154 3.030 3.380 3.730 249 5.300 5.720 6.140
155 3.070 3.420 3.770 250 5.320 5.740 6.160
156 3.100 3.450 3.800 251 5.340 5.760 6.180
157 3.130 3.480 3.830 252 5.350 5.770 6.190
158 3.160 3.510 3.860 253 5.370 5.790 6.210
159 3.190 3.540 3.890 254 5.380 5.800 6.220
160 3.220 3.580 3.940 255 5.400 5.820 6.240
161 3.250 3.610 3.970 256 5.420 5.840 6.260
162 3.280 3.640 4.000 257 5.430 5.850 6.270
163 3.310 3.670 4.030 258 5.450 5.870 6.290
164 3.340 3.700 4.060 259 5.460 5.880 6.300
165 3.370 3.730 4.090 260 5.480 5.900 6.320
166 3.400 3.760 4.120 261 5.490 5.910 6.330
167 3.430 3.790 4.150 262 5.510 5.930 6.350
168 3.460 3.820 4.180 263 5.520 5.940 6.360
169 3.490 3.850 4.210 264 5.530 5.950 6.370
170 3.520 3.880 4.240 265 5.550 5.970 6.390
171 3.550 3.910 4.270 266 5.540 5.980 6.420
172 3.580 3.940 4.300 267 5.560 6.000 6.440
173 3.610 3.970 4.330 268 5.580 6.010 6.440
174 3.640 4.000 4.360 269 5.590 6.020 6.450
175 3.670 4.030 4.390 270 5.600 6.040 6.480
176 3.700 4.060 4.420 271 5.610 6.050 6.490
Age
(day)
-1.5SD
(cm)
Mean
(cm)
+1.5SD
(cm)
Age
(day)
-1.5SD
(cm)
Mean
(cm)
+1.5SD
(cm)
177 3.730 4.090 4.450 272 5.630 6.060 6.490
178 3.760 4.120 4.480 273 5.640 6.080 6.520
179 3.780 4.140 4.500 274 5.650 6.090 6.530
180 3.810 4.170 4.530 275 5.670 6.100 6.530
181 3.840 4.200 4.560 276 5.670 6.110 6.550
182 3.850 4.230 4.610 277 5.690 6.130 6.570
183 3.880 4.260 4.640 278 5.710 6.140 6.570
184 3.900 4.280 4.660 279 5.710 6.150 6.590
185 3.930 4.310 4.690 280 5.720 6.160 6.600
Tibia (TIB) : JEANTY
GA Table
“Jeanty P., Rodesch F., Delbeke D., Dumont J., “Estimation of Gestational Age from
Measurements of Fetal Long Bones.“ J Ultrasound Med 3:75-79, 1984“
Meas
(cm)
Lower
(day)
Mean
(day)
Upper
(day)
Meas
(cm)
Lower
(day)
Mean
(day)
Upper
(day)
1.0 74.0 94.0 114.0 4.0 157.0 177.0 197.0
1.1 76.0 96.0 116.0 4.1 160.0 180.0 200.0
1.2 78.0 99.0 119.0 4.2 163.0 183.0 204.0
1.3 81.0 101.0 121.0 4.3 166.0 186.0 207.0
1.4 83.0 104.0 124.0 4.4 169.0 190.0 210.0
1.5 85.0 106.0 126.0 4.5 172.0 193.0 214.0
1.6 88.0 109.0 129.0 4.6 176.0 196.0 216.0