Here are some charts to show you the weight, length and head size increments according to age in months -
Baby Weight
Age Average (50th percentile) 3rd-97th percentile |
|
Birth 3.1 kg 2.5 –4 kg |
|
3 months 5.7 kg 4.8-6.7 kg |
|
6 months 7.4 kg 6.2-8.6 kg |
|
9 months 8.5 kg 7.2-10.1 kg |
|
12 months 9.3 kg 7.6-11.2 kg |
|
18 months 10.7 kg 8.9-13.1kg |
|
24 months 11.9 kg 9.8-14.7kg |

GROWTH CHART
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