| Magne | Metta | |
| Födelsevikt / Birthweight | 92 g | 74 g |
| 1 vecka/week | 186 g | 166 g |
| 2 veckor/weeks | 234 g | 200 g |
| 3 veckor/weeks | 314 g | 306 g |
| 4 veckor/weeks | 454 g | 446 g |
| 5 veckor/weeks | 574 g | 526 g |
| 6 veckor/weeks | 672 g | 608 g |
| 7 veckor/weeks | 802 g | 744 g |
| 8 veckor/weeks | 1010 g | 966 g |
| 9 veckor/weeks | 1144 g | 1054 g |
| 10 veckor/weeks | 1316 g | 1282 g |
| 11 veckor/weeks | 1434 g | 1348 g |
| 12 veckor/weeks | 1630 g | 1530 g |