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Maximum weights for each month based on the WHO child growth chart (World Health Organization; 2006).
| Month | Days after birth | Maximum weight (kg) | |
|---|---|---|---|
| Male | Female | ||
| 1st | 0 to 30 | 5.7 | 5.4 |
| 2nd | 31 to 60 | 7.0 | 6.5 |
| 3rd | 61 to 90 | 7.9 | 7.4 |
| 4th | 91 to 120 | 8.6 | 8.1 |
| 5th | 121 to 150 | 9.2 | 8.7 |
