Is it accurate to measure body temperature with a mercury thermometer for babies?

Patient's question:

No

Doctor's answer:

Measuring a baby's temperature, safety and accuracy are most important. In terms of thermometer material, it can be divided into several types such as glass mercury thermometers, electronic thermometers, infrared thermometers, etc. There are a total of 5 body parts that can be used to measure body temperature, namely the armpit, forehead, ear canal, mouth, and rectum. Each type of thermometer measures a different temperature. Glass mercury thermometers are the most accurate.