| Growth Development | ||||
| Week | Weight (kg) | Weight (lb) |
Length (cm) | Head Circ. (cm) |
| Birth | 3.64 | 8lb | 50 | 36 |
| 3 +2 | 4.67 | 10lb 5oz | ||
| 5 | 5.15 | 11lb 6oz | ||
| 6 +2 | 5.42 | 11lb 15oz | 59 | 40 |
| 7 | 5.9 | 13lb | ||
| 8 | 6.19 | 13lb 10oz | ||
| 9 | 6.31 | 13lb 15oz | ||
| 10 | 6.54 | 14lb 7oz | ||
| 12 | 6.91 | 15lb 4oz | ||
| 14 | 7.15 | 15lb 12oz | ||
| 15 | 7.32 | 16lb 3oz | ||
| 18 | 7.85 | 17lb 5oz | ||
| 20 | 8.26 | 18lb 3oz | 67 | |
| 23 | 8.65 | 19lb 1oz | ||
| 27 | 8.92 | 19lb 11oz | ||
| 31 | 9.00 | 19lb 13oz | 46 | |
| 36 | 10.05 | 22lb 3oz | ||
| 43 | 10.80 | 23lb 13oz | ||
| 56 | 11.90 | 26lb 4oz | ||
| 1 yr 11 m | 14.6 | 31lb 11oz | ||
| 2 yr 6 m | 15.84 | 35lb | ||