Need help two different temp

[me & my baby]

For some reason I am getting two different temperatures from my temp in my pm1 and my brain . Which one should I go with

 

[me & my baby]

 

[radiata]

You should try calibrating both with an accurate thermometer, preferably a NIST certified one (like https://www.bulkreefsupply.com/hi98509-checktemp-1-digital-thermometer-hanna-instruments.html or https://www.bulkreefsupply.com/traceable-long-stem-calibration-thermometer.html).