A special basal body thermometer with a 96 to 100 f range is used. Digital accessory for body measure temperature oral underarm for children adults babies accurate reading auto off waterproof lcd display measurement tool for fever 42 out of 5 stars 20 999 9.

Measuring Basal Body Temperature Shecares
Basal body temperature measurement. When measuring the temperature orally the thermometer should be placed under the tongue. Youll be most fertile during the two to three days before your temperature rises. Unlike regular thermometers the basal body thermometers are accurate to 01 degrees as compared to regular thermometers only to 02 degrees. The tendency of a woman to have lower temperatures before ovulation and higher. Typically bbt increases slightly right after you ovulate. Ovulation may cause a slight increase in basal body temperature.
Your basal body temperature is your temperature when youre fully at rest. 3 identify the most fertile times in your cycle. Your basal body temperature bbt is your lowest body temperature in a 24 hour period. Read everything you need to know about checking your basal body temperature. Basal body temperature is the lowest body temperature attained during rest. You should adhere to one of them throughout the entire measurement period.
It is usually estimated by a temperature measurement immediately after awakening and before any physical activity has been undertaken. This will lead to a somewhat higher value than the true bbt. The rectal method is considered the most accurate. If the average basal body temperature reading is below365 degrees celsius 977 degrees fahrenheit then this is regarded as not an absolute but definitely a good indication along with a thorough consideration of a persons symptom profile that they have an underactive thyroid. There is a 0305 c 0510 f rise in basal body temperature immediately after ovulation during the menstrual cycle see chapter 3. If youre trying to get pregnant you can track your basal body temperature to estimate when youll ovulate and determine the best days to have sex or be inseminated.
Orally vaginally or rectally. In women ovulation causes a sustained increase of at least 02 c in bbt. Most women have a basal body temperature of 96 to 98f 356 to 367c one to two days before ovulation. 3 ways to properly track ovulation with a basal body temperature thermometer. Its the temperature of your body when youre at rest. Monitoring bbts is one way of estimating the day of ovulation.
Temperature should be measured soon after awakening in the morning before becoming active or eating. The hot and cold of conception. For most women the most fertile period is two days before their basal body temperature rises or they begin ovulation. The basal thermometer gives you measurements with decimal places so that you can be aware of the slightest shift in your bbt. The basal body temperature method a fertility awareness based method is a type of natural family planning. Basal body temperature bbt can be measured in three ways.
For greater accuracy you can combine tracking your bbt with monitoring changes in your cervical mucus.