how much weight gain should be there in a 5 month old baby ,she was 6.2 kg at 4 months now 5 month 7 days and 7 kg ,she rolled from tummy to back but havnt rolled from back to tummy

A. weight gain should be around 500-700g per month after birth.. and must double the birth weight at around 4-6months.. babies will start roll over around 3-6months.. massage well as massage strengthen bones and also helps in reaching milestone in time..