hello doctor, How to check temperature for babies. what will be the normal range ? with mercury and digital we are checking in his armpit only. if we are using normal mercury thermometer we adding one more value for the output. Eg : if it shows 98 .4 then we are adding one more 99.4 if we are using digital inferred thermometer we are adding two more value for the output. Eg: if it shows 98.4 then we are adding two more values 100.4 Is this correct ,do we need to add one or two more values for the temperature. Please tell me doctor.