ExpertDr. Minal AcharyaNutritionist4 years agoA. Dear parent, the weight of a 9 months complete baby boy should be in the range of 7.1 kg to 11 kg. Baby should double the birth weight by 6 months and triple the birth weight by one year.
POOJA KOTHARIMom of a 8 yr 7 m old boy4 years agoA. Between six months and one year, weight gain slows down a little. Most babies double their birth weight by five to six months of age and triple it by the time they are a year old. By one year, the average weight of a baby girl is approximately 19 pounds 10 ounces (8.9 kg), with boys weighing about 21 pounds 3 ounces (9.6 kg).
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