my daughter 14months old her weight is 7.500 it's normal weight

A. Hello mom. That seems to be a little low for the age , but as their is no details of the toddler birth weight and his details , you can do that as babies double their birth weight by the age of 4 to 6 months and then triple by the age of one year . If he was a preterm baby then they tend to gain weight on a slow pace compared to full term baby