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II. CHARTING YOUR BASAL TEMPERATURE
By charting your basal temperature daily, you can see a pattern and notice the changes that occur in every ovulation cycle. You can record
your daily basal temperature on the enclosed charts. Keeping a charted record for at least three months will usually provide the information
you need to determine your approximate day of ovulation during a regular menstrual cycle. Keep both the Omron
®
Basal Thermometer and
Temperature Tracking Chart at your bedside for your convenience.
III. HOW TO TAKE ACCURATE BASAL TEMPERATURES
To obtain an accurate basal temperature, you must take your temperature when you first awake in the morning. For best results, this waking
temperature should be taken at the same time each morning. Since any activity may tend to raise your temperature, do not get out of bed until
you have taken your basal temperature. Postpone going to the bathroom, eating, smoking or drinking until after taking your basal temperature.
Cold drinks lower mouth temperature; hot drinks, smoking and exercise cause higher readings. Using an electric blanket or heating pad
can affect your basal temperature. If you use one, it should be kept at the same setting each night throughout the time you are taking your
basal temperature.
SHOULD I USE THE ORAL, VAGINAL OR RECTAL METHOD?
Since temperatures taken at different sites can vary, it is important to select one method and then take your temperature the same way everyday.
You must use either the oral, vaginal or rectal method. Using more than one method will provide inaccurate results,
IV. TAKING YOUR BASAL TEMPERATURE
Select oral, vaginal or rectal as your measurement based on professional recommendation.
ORAL METHOD
❑ Place a probe cover carefully over the tip, (figure 1).
❑ Push the on/off button to turn unit on. Hold the button down to recall the last measured temperature. The thermometer will beep and the
display will read: ''188.8 °
F
'' This is a function check indicating the unit is working properly. Next, the thermometer will read L°F.
❑ The °F symbol will flash continuously when the unit is ready to measure temperature. Please note that the “ ” indicates a low battery. See
instructions for replacing the battery before measuring temperature. Do not expect an accurate temperature reading if this low battery
indicator is present. An “ERR” message in the window indicates your unit is not functioning properly.
❑ Do not drink hot or cold fluids, exercise, smoke, or perform other activities that will raise or lower temperature
readings when compared to your normal, average temperature. The mouth should remain closed up to 5 minutes before
attempting a reading.
❑ Place the sensor tip well under the tongue as indicated by the “✔“ (figure 2).
❑ The peak temperature should be reached in approximately 60 seconds. Opening the mouth or improper placement of
the probe tip could result in a longer time for a reading.
❑ When the peak temperature is reached, the °F symbol will stop flashing, and the thermometer will beep repeatedly.
Please note: It is not necessary to hear the beep to ensure the peak temperature has been reached. When the °F symbol stops
flashing and the display reads a consistent temperature, the peak temperature has been reached.
❑ Read and record the temperature and time for reference. The reading will automatically be stored in the memory.
❑ Push the on/off button to turn the unit off. If you do not turn the unit off, it will shut off automatically in approximately 10 minutes.
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Figure 1
Figure 2