Gestational age, wks | Weight percentiles, g | ||||||||
---|---|---|---|---|---|---|---|---|---|
3rd | 5th | 10th | 25th | 50th | 75th | 90th | 95th | 97th | |
MC twins | |||||||||
14 | 79 | 81 | 84 | 89 | 95 | 102 | 108 | 112 | 115 |
15 | 99 | 101 | 105 | 111 | 119 | 127 | 135 | 140 | 143 |
16 | 122 | 125 | 130 | 138 | 147 | 157 | 167 | 173 | 177 |
17 | 150 | 154 | 160 | 170 | 181 | 194 | 206 | 213 | 218 |
18 | 184 | 188 | 195 | 207 | 222 | 237 | 252 | 261 | 267 |
19 | 223 | 228 | 237 | 252 | 269 | 287 | 305 | 316 | 324 |
20 | 269 | 275 | 285 | 303 | 324 | 346 | 368 | 381 | 390 |
21 | 322 | 330 | 342 | 363 | 388 | 414 | 440 | 456 | 467 |
22 | 383 | 392 | 406 | 431 | 461 | 493 | 523 | 542 | 555 |
23 | 452 | 462 | 479 | 509 | 544 | 581 | 617 | 640 | 655 |
24 | 530 | 542 | 562 | 596 | 637 | 681 | 723 | 750 | 767 |
25 | 616 | 631 | 654 | 694 | 742 | 793 | 842 | 872 | 893 |
26 | 712 | 729 | 756 | 802 | 857 | 916 | 972 | 1008 | 1031 |
27 | 818 | 837 | 867 | 921 | 984 | 1051 | 1116 | 1156 | 1183 |
28 | 932 | 954 | 988 | 1049 | 1121 | 1198 | 1271 | 1318 | 1348 |
29 | 1055 | 1079 | 1119 | 1187 | 1269 | 1355 | 1439 | 1491 | 1526 |
30 | 1185 | 1213 | 1257 | 1334 | 1425 | 1523 | 1616 | 1675 | 1714 |
31 | 1323 | 1354 | 1403 | 1489 | 1591 | 1699 | 1804 | 1869 | 1913 |
32 | 1466 | 1500 | 1555 | 1650 | 1763 | 1883 | 1998 | 2071 | 2119 |
33 | 1614 | 1651 | 1711 | 1816 | 1939 | 2072 | 2199 | 2278 | 2331 |
34 | 1763 | 1804 | 1870 | 1984 | 2119 | 2264 | 2402 | 2489 | 2547 |
35 | 1914 | 1958 | 2029 | 2153 | 2300 | 2456 | 2606 | 2700 | 2763 |
36 | 2062 | 2110 | 2186 | 2320 | 2478 | 2646 | 2808 | 2909 | 2977 |
DC twins | |||||||||
14 | 83 | 84 | 87 | 92 | 97 | 103 | 108 | 112 | 114 |
15 | 103 | 105 | 108 | 114 | 121 | 128 | 135 | 139 | 142 |
16 | 127 | 130 | 134 | 141 | 149 | 158 | 167 | 172 | 176 |
17 | 156 | 159 | 164 | 173 | 183 | 195 | 205 | 212 | 216 |
18 | 190 | 194 | 200 | 211 | 224 | 237 | 250 | 258 | 264 |
19 | 230 | 235 | 242 | 256 | 271 | 288 | 303 | 313 | 320 |
20 | 277 | 283 | 292 | 308 | 326 | 346 | 365 | 377 | 385 |
21 | 331 | 338 | 349 | 368 | 390 | 414 | 437 | 451 | 461 |
22 | 392 | 401 | 414 | 437 | 463 | 492 | 519 | 536 | 547 |
23 | 462 | 472 | 488 | 515 | 546 | 580 | 612 | 632 | 646 |
24 | 541 | 553 | 571 | 603 | 640 | 680 | 718 | 741 | 757 |
25 | 629 | 643 | 664 | 701 | 745 | 791 | 835 | 863 | 881 |
26 | 727 | 743 | 767 | 810 | 861 | 914 | 966 | 998 | 1019 |
27 | 834 | 852 | 880 | 930 | 988 | 1050 | 1109 | 1146 | 1171 |
28 | 950 | 971 | 1003 | 1060 | 1126 | 1197 | 1265 | 1307 | 1335 |
29 | 1075 | 1099 | 1136 | 1200 | 1276 | 1356 | 1433 | 1481 | 1513 |
30 | 1209 | 1235 | 1277 | 1349 | 1435 | 1526 | 1613 | 1667 | 1703 |
31 | 1350 | 1379 | 1426 | 1507 | 1603 | 1705 | 1802 | 1863 | 1904 |
32 | 1497 | 1529 | 1581 | 1672 | 1779 | 1892 | 2001 | 2069 | 2114 |
33 | 1649 | 1685 | 1742 | 1842 | 1960 | 2086 | 2206 | 2281 | 2331 |
34 | 1804 | 1843 | 1906 | 2016 | 2146 | 2284 | 2416 | 2499 | 2554 |
35 | 1960 | 2003 | 2072 | 2192 | 2333 | 2484 | 2628 | 2718 | 2778 |
36 | 2115 | 2162 | 2237 | 2367 | 2520 | 2683 | 2840 | 2937 | 3002 |
37 | 2268 | 2318 | 2398 | 2538 | 2703 | 2879 | 3047 | 3152 | 3223 |
38 | 2414 | 2468 | 2554 | 2704 | 2880 | 3068 | 3248 | 3361 | 3436 |
MC & DC twins | |||||||||
14 | 81 | 83 | 86 | 91 | 96 | 102 | 108 | 112 | 114 |
15 | 101 | 104 | 107 | 113 | 120 | 128 | 135 | 139 | 142 |
16 | 125 | 128 | 132 | 140 | 149 | 158 | 167 | 173 | 176 |
17 | 154 | 158 | 163 | 172 | 183 | 194 | 205 | 212 | 217 |
18 | 188 | 192 | 199 | 210 | 223 | 237 | 251 | 259 | 265 |
19 | 228 | 233 | 241 | 255 | 271 | 288 | 304 | 314 | 321 |
20 | 275 | 281 | 290 | 307 | 326 | 347 | 366 | 379 | 387 |
21 | 328 | 335 | 347 | 367 | 390 | 415 | 438 | 453 | 463 |
22 | 390 | 398 | 412 | 435 | 463 | 492 | 521 | 538 | 550 |
23 | 460 | 470 | 486 | 514 | 546 | 581 | 614 | 635 | 649 |
24 | 538 | 550 | 569 | 602 | 640 | 681 | 720 | 744 | 761 |
25 | 626 | 640 | 662 | 700 | 745 | 792 | 838 | 867 | 886 |
26 | 724 | 739 | 765 | 809 | 861 | 916 | 969 | 1002 | 1024 |
27 | 830 | 848 | 877 | 928 | 988 | 1052 | 1112 | 1150 | 1176 |
28 | 946 | 967 | 1000 | 1058 | 1126 | 1199 | 1268 | 1312 | 1341 |
29 | 1071 | 1094 | 1132 | 1198 | 1275 | 1358 | 1436 | 1486 | 1519 |
30 | 1203 | 1230 | 1272 | 1347 | 1434 | 1527 | 1616 | 1671 | 1708 |
31 | 1343 | 1373 | 1421 | 1504 | 1601 | 1705 | 1805 | 1867 | 1908 |
32 | 1489 | 1523 | 1575 | 1667 | 1776 | 1891 | 2002 | 2071 | 2118 |
33 | 1640 | 1677 | 1735 | 1836 | 1956 | 2084 | 2206 | 2282 | 2333 |
34 | 1793 | 1834 | 1897 | 2009 | 2140 | 2280 | 2414 | 2498 | 2554 |
35 | 1948 | 1992 | 2061 | 2182 | 2325 | 2478 | 2624 | 2715 | 2776 |
36 | 2101 | 2148 | 2223 | 2355 | 2509 | 2674 | 2832 | 2931 | 2997 |
37 | 2251 | 2302 | 2382 | 2523 | 2689 | 2866 | 3036 | 3142 | 3213 |
38 | 2395 | 2449 | 2535 | 2685 | 2862 | 3051 | 3232 | 3345 | 3421 |