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Table 3 Birthweight percentiles of twins (kg)

From: Reference birthweight range for multiple birth neonates in Japan

gestational age (week) male female
  primipara multipara primipara multipara
  10th 50th 90th 10th 50th 90th 10th 50th 90th 10th 50th 90th
24 0.476 0.651 0.763 0.504 0.686 0.782 0.440 0.610 0.743    
25 0.576 0.746 0.899 0.574 0.770 0.909 0.547 0.697 0.857 0.556 0.701 0.874
26 0.662 0.853 1.043 0.660 0.875 1.053 0.596 0.800 0.983 0.590 0.828 1.013
27 0.743 0.971 1.194 0.761 0.999 1.212 0.669 0.916 1.121 0.656 0.946 1.165
28 0.827 1.100 1.350 0.874 1.138 1.382 0.762 1.044 1.269 0.751 1.070 1.326
29 0.923 1.239 1.512 0.999 1.289 1.560 0.873 1.181 1.425 0.868 1.209 1.495
30 1.037 1.387 1.678 1.131 1.450 1.745 0.997 1.325 1.588 1.003 1.362 1.669
31 1.166 1.542 1.846 1.271 1.616 1.934 1.130 1.475 1.756 1.151 1.525 1.848
32 1.305 1.701 2.018 1.415 1.786 2.123 1.270 1.629 1.929 1.308 1.694 2.028
33 1.450 1.860 2.190 1.562 1.955 2.310 1.413 1.784 2.104 1.468 1.864 2.209
34 1.597 2.016 2.363 1.709 2.121 2.492 1.555 1.938 2.280 1.626 2.031 2.387
35 1.740 2.167 2.534 1.855 2.281 2.667 1.692 2.089 2.453 1.778 2.192 2.562
36 1.874 2.307 2.698 1.997 2.432 2.832 1.822 2.233 2.618 1.919 2.342 2.730
37 1.996 2.434 2.850 2.127 2.569 2.985 1.939 2.365 2.769 2.044 2.476 2.885
38 2.100 2.545 2.987 2.239 2.689 3.121 2.042 2.483 2.899 2.147 2.591 3.020
39 2.180 2.636 3.103 2.324 2.788 3.240 2.125 2.582 3.004 2.225 2.682 3.129
40 2.236 2.704 3.195 2.377 2.863 3.337 2.187 2.659 3.077 2.271 2.746 3.206
41 2.260 2.745 3.257 2.389 2.909 3.411 2.222 2.710 3.113 2.282 2.777 3.243