When should I start measuring my BBT?
Start recording your basal body temperature on the first morning after your period starts. Note: We highly recommend you measure your temperature only ORALLY.
All articles
Mira Basal Body Thermometer
During which part of my cycle should I stop measuring my BBT?
For the first 3-6 cycles, it's best to test until the first day of the next period. This will help build your basal body temperature patterns.
How do I make my measurements as accurate as possible?
Measure your BBT as soon as you wake up and record it for at least 3 months! Tracking your BBT is a great idea, but tracking other important fertility data, like your hormones, can help you accurately pinpoint your ovulation and fertile window.
What should I avoid doing while I measure my BBT?
Measure your BBT as soon as you wake up and during the same time over the following days. Avoid activity and close your mouth for at least 2 minutes before measuring. Electric blankets or heating pads can affect your BBT—if you use one, keep it at...
Is tracking my BBT the best way to predict my ovulation?
Tracking your BBT can help you recognize your ovulation patterns during your cycles. However, we recommend combining BBT measurements with The Mira Analyzer for the highest possible accuracy. Many external factors can affect your BBT, like...
How does my BBT change during my cycles?
Changes in your BBT correlate with changes in your menstrual cycle. Before ovulation, your BBT ranges from 97°F (36.1°C) and 97.5°F (36.4°C). After the egg releases during ovulation, your BBT increases between 97.6°F (36.4°C) and 98.6°F (37°C).
How will I know I ovulated?
After ovulation, your BBT will rise about 0.5°F (0.3°C). This temperature will remain until your next period begins.Then, a slight temperature decrease may happen—followed by a rapid temperature increase. This will likely indicate your ovulation...
How to Use the Mira Basal Body Thermometer? (Including Choosing the Testing Mode and Celsius/Fahrenheit)
1. Turn on the thermometer by pressing the ON/OFF button.2. Open the Mira app to ensure it is connected.3. Place the probe tip under your tongue as near to your heat pockets as possible.4. Close your mouth and leave the thermometer in place for at...
How to assess your 9 previous readings?
1. Press the SET button on the memory display and hold for 2 seconds to enter the memory view mode. You will see an "- I -". Then, press the SET button again to view the display.2. After 1 second, you will see the first temperature reading with...
Why Does the BBT Sometimes Appear Blue and Sometimes Green?
The backlight of the Basal Body Temperature (BBT) display changes color based on the temperature reading: - When the measured value is less than 99.5°F (37.50°C), a green backlight is displayed. - When the measured value is between 99.59°F and...
How do I delete my BBT data?
To delete your BBT data, please follow the instructions below based on the age of the data:Navigate to the Custom Log Page.Select the appropriate date.Delete the BBT and then click the “Save” button.For BBT Data Older than 4 Days:Go to the...