Acording to age (month)
| Age Month | Male Baby cm |
Female Baby Cm |
| 0 | 34-35 | 33-34 |
| 1 | 34-39.5 | 33-38 |
| 2 | 35-42 | 34-39 |
| 3 | 39-43 | 36-42 |
| 4 | 39.6-44.4 | 38-45 |
| 5 | 41-46 | 39-46 |
| 6 | 42-47.5 | 41-46 |
| 7 | 43-47 | 42-46 |
| 8 | 43-47 | 42-46 |
| 9 | 43-49 | 42-47 |
| 10 | 44-49 | 43-48 |
| 11 | 44-49.5 | 43-48 |
| 12 | 44.5-50 | 43.5-48.5 |
| 13 | 44.5-50 | 43.5-48.5 |
| 14 | 44.5-50 | 43.5-48.5 |
| 15 | 44.5-50 | 43.5-48.5 |
| 16 | 44.5-50 | 44-49 |
| 17 | 44.5-50 | 44-49 |
| 18 | 46-50 | 44-49 |
| 19 | 46-50 | 44-49 |
| 20 | 46-50 | 44-49 |
| 21 | 46-50 | 44-49 |
| 22 | 47-50.5 | 46.5-49.5 |
| 23 | 47-50.5 | 46.5-49.5 |
| 24 | 47-50.5 | 46.5-49.5 |
| 25 | 47-50.5 | 46.5-49.5 |
| 26 | 47-50.5 | 46.5-49.5 |
| 27 | 47-50.5 | 46.5-49.5 |
| 28 | 47-50.5 | 46.5-49.5 |
| 29 | 47-50.5 | 46.5-49.5 |
| 30 | 47-50.5 | 47-51 |
| 31 | 47.5-51 | 47-51 |
| 32 | 47.5-51 | 47-51 |
| 33 | 47.5-51 | 47-51 |
| 34 | 47.5-51 | 47-51 |
| 35 | 47.5-51 | 47-51 |
| 36 | 47.5-51 | 47-51 |