my baby's birth weight is 2.6 kg and after one month and 5 days his weight is 3 kg is it normal or not and how to gain her weight ?

A. Hello mam Yes its absolutely normal. A new born doubles the birth weight by 6 months and triples by 1 year Do increase baby’s weight if u r breastfeeding the baby , u need to have a healthy and nutritious diet which in turn will increase baby’s weight