DigHealth Digital Oral Basal Thermometer, Basal Body Temperature Thermometer for Ovulation Calculator, Fertility Tracking for Family Planning, Large Back-Lit, Accurate to 1/100th Via Oral, 9 Memories is available in Thermometers

DigHealth Basal Digital Thermometer can help women track their menstrual cycle and Ovulation Cycle for family planning.
2 decimal places is to help identify the time of ovulation more easily. Most thermometers measure one decimal place, however, our thermometer will read 2 decimals to spot the time of ovulation easier, especially if you also use ovulation tests.
Oral Measurement:
1: Place the temperature sensing part under the tongue, in the root side, and close your lip tightly. For accurate measuring resule, please make sure keep quiet during the measuring.
2: Turn on the theremometer, when the digital thermometer sound "Bi-Bi-Bi" beeps, it means the measurement has been finished, but do not take out the thermometer. We advice continuing measuring 5 seconds after it sound beeps, then take out the digital thermometer to read the result.
3: The temperature display on the LCD is the measuring result.
BBT must be measured directly after you wake up.
To get precise readings, you need to measure basal body temperature at the same hour each day.
Get started during the first day of your cycle, that is the first day during which you get a menstrual bleeding.
Measure your temperature in the morning and record the number in your BBT chart.
Temperatures typically rise (about 1.0ºF or 0.6ºC) within a day or so after ovulation, and are the result of heat-inducing hormone, progesterone.
Recording and interpreting basal temperature changes is called the "Basal Temperature Method"(BTM).
The Basal Temperature Method can be used to help in family planning.
Charting of temperature and prediction of ovulation can be used to time sexual intercourse during fertile days to aid in increasing the likelihood of pregnancy.