Q: Which factors other than fertility affect the BBT?
A: Several factors other than fertility can affect the BBT. These factors include:
- Using a new thermometer in the same cycle.
- Emotional excitement.
- Sex shortly before taking the temperature.
- If you have a fever.
- Drinking alcohol the previous night.
- Taking BBT after less than 3 hours of consecutive sleep.
- Taking BBT at a different time.
- Using a heating pad or electric blanket.