Gestational weeks | n | 3rd Centile | 5th centile | 10th centile | Median | 90th Centile | 95th centile | 97th centile |
25 | 14 |
|
| 650 | 765 | 867 |
|
|
26 | 28 | 615 | 720 | 730 | 924 | 995 | 1020 | 1100 |
27 | 18 |
| 865 | 870 | 1005 | 1180 | 1200 |
|
28 | 18 |
| 815 | 830 | 1153 | 1320 | 1335 |
|
29 | 23 |
| 855 | 960 | 1240 | 1580 | 1665 |
|
30 | 40 | 844 | 948 | 1015 | 1400 | 1625 | 1644 | 1715 |
31 | 62 | 990 | 1065 | 1140 | 1598 | 1790 | 1842 | 1905 |
32 | 75 | 1100 | 1152 | 1250 | 1769 | 2125 | 2200 | 2245 |
33 | 126 | 1271 | 1310 | 1570 | 2026 | 2470 | 2522 | 2542 |
34 | 156 | 1430 | 1520 | 1650 | 2205 | 2570 | 2715 | 2765 |
35 | 323 | 1715 | 1790 | 1910 | 2430 | 2775 | 2875 | 2925 |
36 | 606 | 1895 | 2030 | 2202 | 2660 | 3125 | 3315 | 3456 |
37 | 1615 | 2145 | 2220 | 2370 | 2847 | 3315 | 3495 | 3592 |
38 | 6514 | 2440 | 2525 | 2643 | 3080 | 3570 | 37183 | 3815 |
39 | 7105 | 2590 | 2665 | 2775 | 3195 | 3665 | 3810 | 3910 |
40 | 5888 | 2685 | 2765 | 2880 | 3315 | 3810 | 3961 | 4070 |
41 | 2573 | 2760 | 2832 | 2970 | 3415 | 3920 | 4088 | 4230 |
42 | 24 |
| 2750 | 2760 | 3538 | 3805 | 3820 |
|