From: Theory of obstetrics: An epidemiologic framework for justifying medically indicated early delivery
Gestational age | Stillbirths | Neonatal deaths | Live births | SGA live births | Rates (Conventional) | Fetuses at risk†| Rates (Fetuses at risk) | |||
 |  |  |  |  | SGA (%) | Perinatal mortality per 1,000 |  | Births per 1,000 | R-SGA per 1,000 | Perinatal mortality per 1,000 |
34 | 42 | 23 | 2513 | 447 | 17.9 | 25.4 | 29170 | 87.6 | 15.5 | 1.99 |
35 | 28 | 14 | 3302 | 740 | 22.5 | 12.6 | 26615 | 125.1 | 28.0 | 1.39 |
36 | 28 | 23 | 5372 | 1491 | 27.8 | 9.4 | 23285 | 231.9 | 64.5 | 1.85 |
37 | 29 | 15 | 6835 | 2249 | 33.0 | 6.4 | 17885 | 383.8 | 126.7 | 2.18 |
38 | 30 | 11 | 6720 | 2695 | 40.2 | 6.1 | 11021 | 612.5 | 246.5 | 3.45 |
39 | 15 | 7 | 2843 | 1291 | 45.5 | 7.7 | 4271 | 669.2 | 304.8 | 5.15 |
40 | 11 | 2 | 1246 | 641 | 51.5 | 10.3 | 1413 | 889.6 | 458.2 | 9.20 |
41 | 1 | 0 | 129 | 71 | 55.5 | 7.7 | 156 | 833.3 | 461.0 | 6.41 |
≥ 42 | 0 | 0 | 26 | 18 | 69.2 | 0.0 | 26 | 1000.0 | 692.3 | 0.00 |
Total‡ | 703 | 869 | 34944 | 10325 | 29.9 | 44.1 | 35647 | 1000.0 | 298.8 | 44.1 |