How do use bbt thermometer?

Question

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For orally, do you let the tip of thermomether touch the tongue?

Answer

Concerned about people responding armpit temp-takers. That’s not going to be precise enough. It needs to be oral or vaginal and the same place throughout an entire cycle.

Answer

Orally. Let the tip sit back underneath the fold of the tongue to hold it in place and get a better reading

Answer

It should be under your tongue and in the same place day-to-day.