From: Collagen type IV alpha 1 chain (COL4A1) expression in the developing human lung
 | Gestatonal age (weeks) | Birth weight (g) | Postnatal age at death | Postmenstrual age at death (weeks) |
---|---|---|---|---|
Minimum | 21 | 365 | 7 hours | 21 |
Maximum | 41 | 4720 | 228 days | 70 |
Mean | 28,9 | 1512 | 15 days | 31 |
Median | 27 | 959 | 2 days | 28 |