Gestation at birth (completed weeks) | ||||||||||
22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
Birth weight (g) | ||||||||||
2200–2299 | 100% | |||||||||
2100–2199 | 100% | |||||||||
2000–2099 | 99% | 100% | ||||||||
1900–1999 | 99% | 100% | ||||||||
1800–1899 | 99% | 100% | ||||||||
1700–1799 | 99% | 99% | 100% | |||||||
1600–1699 | 99% | 99% | 100% | |||||||
1500–1599 | 98% | 99% | 99% | 99% | ||||||
1400–1499 | 98% | 99% | 99% | 99% | ||||||
1300–1399 | 97% | 98% | 99% | 99% | 99% | |||||
1200–1299 | 96% | 98% | 99% | 99% | 99% | |||||
1100–1199 | 94% | 96% | 98% | 98% | 99% | 99% | ||||
1000–1099 | 93% | 96% | 97% | 98% | 99% | 99% | ||||
900–999 | 88% | 93% | 95% | 97% | 98% | 99% | ||||
800–899 | 79% | 87% | 91% | 95% | 96% | 98% | ||||
700–799 | 48% | 64% | 76% | 84% | 90% | 93% | 96% | |||
600–699 | 42% | 57% | 70% | 80% | 87% | 91% | ||||
500–599 | 34% | 48% | 62% | 73% | ||||||
400–499 | 23% | 36% | 49% | |||||||
300–399 | 12% | 20% | 30% |