my 125 days old baby has birth weight of 3.36 g. now she is 5.1 kg only. is it underweight? she is not ready to take formula milk. can i give other semisolid foods for weight gain in this age?

A. Hello mom semi Solids or say first liquids can be introduced from the age of 5 months onwards .. give her your feed as much as possible and rest try to change the concentration of the formula .. babies double their birth weight by the age of. 4 to 6 months