My baby is 3 month 13 days old, her weight is 4kg 300 gm head circumference is 38..she was 2.300 kg at her birth, is it ok?

A. Hello mom as far as she is gaining weight and their is progress no worries , babies monthly gain is expected between the range of 300 gm to 1 kg and then by the age of 4 to 6 months they tend to double their birth weight