Percentage and number of babies surviving to 28 days after birth by gestational age (weeks) for the three different stages throughout the perinatal pathway
| Gestational age (weeks) | Percentage (number) of babies surviving to 28 days | |||||
| Babies alive at the onset of care during the birthing process | Babies where active survival focused care was initiated | Babies admitted to a neonatal care unit | ||||
| 22 | 4.5 | (1548) | 14.4 | (485) | 23.2 | (302) |
| 23 | 36.5 | (1949) | 44.0 | (1615) | 50.6 | (1405) |
| 24 | 64.7 | (2454) | 68.6 | (2312) | 73.0 | (2173) |
| 25 | 79.5 | (2566) | 81.3 | (2507) | 84.4 | (2415) |
| 26 | 87.2 | (3228) | 88.3 | (3186) | 89.7 | (3137) |
| 27 | 92.3 | (3867) | 93.3 | (3827) | 94.2 | (3790) |
| 28 | 94.1 | (5178) | 94.7 | (5146) | 95.4 | (5109) |
| 29 | 97.0 | (5693) | 97.2 | (5680) | 97.6 | (5654) |
| 30 | 97.6 | (7588) | 97.8 | (7572) | 98.3 | (7533) |
| 31 | 98.5 | (9692) | 98.7 | (9674) | 99.0 | (9640) |
| 22+0–31+6 weeks | 87.1 | (43 763) | 90.8 | (42 004) | 92.7 | (41 158) |