my baby birth weight 3kg, 2 months completed, this month I increased breast milk and tooked meats more, today 74 days and she is weight 5kg, it's normal?. birth weight 3kg after 1 week loss the weight is 2.780 kg 31st day 3.600 kg 39 day 3.700 kg 44 day 3.900 kg 53 day 4.000 kg 55 day 4.150 kg 58 day 4.200 kg 66 day 4.600 kg 74 day 5 kg * this for weight chart* - it's normal weight gain??