| 2 M | 3 M | 4 M | 5 M | 6 M | 12 - 15 M | ||
| Number of subjects | 31 | 33 | 30 | 30 | 30 | 30 | |
| Height | <55 cm | 1 | 0 | 1 | 0 | 0 | 0 |
| 55 - <60 cm | 27 | 10 | 1 | 0 | 0 | 0 | |
| 60 - <65 cm | 3 | 20 | 21 | 21 | 9 | 0 | |
| 65 - <70 cm | 0 | 2 | 6 | 8 | 19 | 4 | |
| 70 - <75 cm | 0 | 0 | 1 | 0 | 2 | 14 | |
| 75 - <80 cm | 0 | 0 | 0 | 0 | 0 | 11 | |
| ≥80 cm | 0 | 0 | 0 | 0 | 0 | 1 | |
| Body weight | <5000 g | 3 | 0 | 2 | 0 | 0 | 0 |
| 5000 - <6000 g | 20 | 9 | 0 | 3 | 0 | 0 | |
| 6000 - <7000 g | 6 | 18 | 17 | 9 | 7 | 0 | |
| 7000 - <8000 g | 2 | 3 | 9 | 12 | 15 | 4 | |
| 8000 - <9000 g | 0 | 2 | 2 | 4 | 7 | 12 | |
| 9000 - <10000 g | 0 | 0 | 0 | 1 | 1 | 10 | |
| 10000 - <11000 g | 0 | 0 | 0 | 0 | 0 | 4 | |
| ≥11000 g | 0 | 0 | 0 | 0 | 0 | 0 | |
| Gestational period | <27 W | 0 | 0 | 0 | 0 | 0 | 0 |
| 27 - 31 W | 0 | 0 | 0 | 0 | 0 | 0 | |
| 31 - 37 W | 1 | 0 | 2 | 2 | 1 | 6 | |
| 37 - 42 W | 30 | 33 | 28 | 28 | 29 | 24 | |
| ≥42 W | 0 | 0 | 0 | 0 | 0 | 0 | |
| BMI | <14 | 0 | 0 | 1 | 0 | 0 | 1 |
| 14 - <16 | 9 | 9 | 8 | 5 | 7 | 12 | |
| 16 - <18 | 16 | 17 | 14 | 20 | 13 | 16 | |
| 18 - <20 | 6 | 5 | 6 | 3 | 10 | 1 | |
| ≥20 | 0 | 1 | 1 | 1 | 0 | 0 | |