I’m new to tracking my cycle, and this thermometer made it so easy! Clear readings, easy to use, and the little chart helped me understand what to look for.
- Carrie P.
View all reviewsOvulation Thermometer - Basal Body Temperature (BBT)
Ovulation Thermometer - Basal Body Temperature (BBT)
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Track your cycle with clarity and confidence.
Our Ovulation Thermometer (BBT) is designed to support your fertility journey by helping you understand your body’s natural rhythms — one precise reading at a time. With ultra-sensitive temperature tracking to 0.01 decimal accuracy, this high-precision thermometer makes it easy to detect the subtle changes that signal ovulation.
It’s quiet, reliable, and intuitive — with an audible beep when your temperature is ready, and a fever alert if it detects 37.8°C (100°F) or higher. Plus, with last-reading memory and auto shut-off, it fits seamlessly into your morning routine.
Why you’ll love it:
- High-precision readings (0.01°C accuracy)
- Large, crystal-clear screen
- Audible signal when reading is complete
- Fever alarm for temps 37.8°C / 100°F and above
- Stores your last measurement
- Auto shut-off after 10 minutes to save battery
- Made from medical-grade materials
What’s included:
- 1x Digital BBT Thermometer
- 5x Probe Covers
- 1x Carry Box
- 1x User Manual
- 1x BBT Chart for easy tracking
- Perfect for BBT charting, fertility tracking, or natural cycle awareness
- Accurate, gentle, and designed with your daily routine in mind
How to Use Your BBT Thermometer
Tracking your Basal Body Temperature (BBT) is one of the simplest and most effective ways to understand your fertility window. With just a few seconds each morning, you can begin to see patterns that tell you when ovulation is likely to occur.
Let’s walk through it — step by step.
Take Your Temperature First Thing in the Morning
Keep your thermometer within arm’s reach of your bed.
As soon as you wake up — before talking, eating, or even sitting up — place the thermometer under your tongue and close your mouth.
Wait until the audible beep signals that your temperature has been recorded. This ensures accuracy at your resting (basal) temperature.
Record Your Temperature
After the beep, read your temperature on the large, clear digital screen (readings go to two decimal places, like 36.48°C).
Record it manually on the included BBT chart, in a tracking app, or journal.
The last recorded temperature is stored in the device, so you can refer back if needed.
💡 Tip: Temperatures usually rise slightly (around 0.2–0.5°C) after ovulation and stay elevated until your period begins.
Understand Fever Alerts
If your body temperature is 37.8°C (100°F) or higher, the thermometer will sound a fever alarm.
This doesn’t affect ovulation tracking, but may help you catch an illness early — a nice bonus feature!
Let It Shut Off Automatically
The thermometer will shut off on its own after 10 minutes, conserving battery life.
Clean the probe with a soft cloth and gentle soap or disinfectant after use.
What’s in the Box?
1x BBT Thermometer
5x Probe Covers (optional for hygiene)
1x Carry Box
1x User Manual
1x BBT Chart (paper-based tracker to get you started)
Helpful Notes for Beginners
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Try to take your temperature at the same time every morning for the most accurate results.
A consistent sleep schedule helps improve BBT tracking accuracy.
You’ll need a few cycles of data to clearly see your ovulation pattern — be patient and kind to yourself.
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