my son is 3 months 25 days old , his birth weight was 2.80 , and now it is 5.92 , is it normal weight? he takes breastfeeding and formula milk. please advise

A. Hello mom babies are expected to gain about 300 gm to 1 kg monthly and by the age of 4 to 6 months they almost double their birth weigh as well . Try to give your feed the preference and if required only then you take help if formula milk