Level 1: Reasons for fluctuations in baby\’s body temperature. The baby\’s body temperature fluctuates from high to low. This is because the baby\’s body temperature regulation has not yet fully matured. In addition, environmental temperature, clothing, diet and other factors will also affect the baby\’s body temperature. Level 2: How to measure your baby\’s temperature correctly. It is very important to measure your baby\’s temperature correctly. You can use an electronic thermometer or an oral/anal thermometer. When using an electronic thermometer, the probe should be placed under the armpit and close to the skin, and the result can be read after waiting for a few minutes. Use mouth