Finish the following sentence with the best choice: How to check if your child has a fever.

Choices:
- Let them hold a thermometer in the hand or in between their toes. Wait about 30 seconds. If thermometer reads anything above 99 degrees, then they have a fever.
- Insert a thermometer into their mouth or under their armpit. Wait about 30 seconds. If thermometer reads anything above 99 degrees, then they have a fever.

Answer:
Insert a thermometer into their mouth or under their armpit. Wait about 30 seconds. If thermometer reads anything above 99 degrees, then they have a fever.