As per your app my child's weight, which is 5.4kg at 15th week, is lower compared to WHO standards...so what should be done?

A. dear Mum your child is 15 weeks that means has still not completed 4 months according to the who standards the criteria of 3 months will be applied according to which your baby is not underweight baby should gain at least 500 g per month and double the birth weight by 6 months or less