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Table 4 Centiles for Girls, Nulliparous

From: Centile charts for birthweight for gestational age for Scottish singleton births

Gestational Age No. L d.f. = 4 M d.f. = 12 S d.f. = 6 3rd 5th 10th 25th 50th 75th 90th 95th 97th
24 55 1.43 604 0.254 270 319 389 496 604 704 789 838 869
25 56 1.35 682 0.252 320 372 446 562 682 794 891 947 983
26 78 1.27 779 0.249 382 437 517 645 779 907 1018 1084 1125
27 69 1.19 888 0.246 453 511 598 738 888 1033 1160 1235 1283
28 118 1.12 1018 0.241 540 602 696 850 1017 1181 1327 1413 1468
29 102 1.06 1173 0.234 648 715 818 987 1173 1357 1522 1620 1684
30 157 1.01 1339 0.226 770 842 952 1136 1339 1543 1726 1836 1907
31 50 0.97 1515 0.216 904 980 1097 1294 1514 1735 1935 2055 2133
32 88 0.94 1709 0.206 1057 1138 1263 1473 1709 1947 2163 2293 2377
33 118 0.92 1927 0.195 1233 1319 1451 1675 1927 2181 2412 2551 2642
34 161 0.91 2160 0.183 1429 1519 1659 1894 2159 2428 2672 2819 2914
35 303 0.89 2399 0.172 1640 1734 1879 2123 2399 2678 2932 3086 3186
36 462 0.87 2633 0.161 1855 1950 2099 2350 2633 2920 3182 3340 3443
37 955 0.85 2851 0.150 2066 2162 2312 2565 2851 3142 3407 3567 3672
38 2183 0.80 3062 0.140 2280 2376 2524 2776 3062 3353 3619 3780 3886
39 4240 0.73 3230 0.131 2464 2557 2702 2949 3230 3518 3783 3944 4049
40 6223 0.65 3371 0.125 2610 2702 2845 3091 3371 3661 3928 4091 4198
41 5718 0.57 3514 0.121 2754 2845 2987 3232 3514 3806 4078 4244 4354
42 760 0.49 3590 0.117 2845 2934 3073 3313 3590 3879 4148 4314 4424
43 52 0.41 3630 0.113 2909 2994 3128 3360 3630 3912 4176 4339 4447