What is a basal thermometer?

What is a basal thermometer?

What is the wake-up temperature before the period?

The basal temperature changes again if the egg is not fertilized. The corpus luteum content in the body drops again, and thus the wake-up temperature before menstruation also decreases. So if you re-record a fall after a temperature rise, you have not become pregnant.

Does the basal temperature change during pregnancy?

As already explained, the basal temperature increases by up to 0.5 ° C after ovulation. If the newly developed egg cell has subsequently been fertilized, the value remains increased. So if you still notice an increased basal temperature a few days after ovulation and your period has not started during this time, this is a sign of pregnancy! An increased basal temperature over a more extended period indicates pregnancy.

Can you influence the basal temperature?

The basal temperature can be influenced by various factors so that values ​​fluctuate and you no longer get meaningful results. Possible disruptive factors are:

    Stress,

    Late dinner

    Diseases,

    too short or restless sleep,

    falling asleep unusually late,

    Sweating or freezing at night,

    Have a party,

    Drug consumption,

    Alcohol in unusual amounts,

    Travel and change of location,

    Time change.

But it does not mean that you have to do without all of the listed things because of this. After all, everybody reacts differently to stimulus factors. However, it would be best if you did not forget to record these factors in your records and possibly take the corresponding temperatures out of the calculations not to falsify the overall result.

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What is a basal thermometer?

The basal thermometer is necessary to measure the wake-up temperature: You can use it to precisely determine the basal temperature. The difference to an ordinary clinical thermometer is that the basal thermometer gives you more accurate readings and is primarily digital. The results of a clinical thermometer can deviate by up to 1 ° C from the actual temperature, while a basal thermometer usually determines your waking temperature with an accuracy of 0.05 ° C and thus to 2 decimal places.

In addition to a basal thermometer, there are also so-called cycle computers that measure the basal temperature. While you have to create a temperature curve yourself with a basal thermometer, most cycle computers combine with an app to which the measured values ​​are automatically transferred. In addition to the functions, there are also price differences – there are many different offers on the market.

When should I measure my basal body temperature?

To get meaningful values, you have to measure your basal temperature every day and at the same time. Because the temperature rises immediately as soon as you wake up and move out of bed, you should take your basal temperature right after you wake up and before you get up. Always include the first value that you measure in your temperature curve, as the temperature could have already risen when you take a second measurement, and this could give you false statements about your fertility.

Is it bad if I measured my basal body temperature a little later? How else?

Not necessarily: There is a tolerance window of around four hours in which you should determine the wake-up temperature in the morning. But remember, the more different the times you take measurements, the more likely it is that the meaningfulness of these values ​​will decrease.

Where do I best measure my basal body temperature?

There are three ways you can measure your basal body temperature: orally, rectally, or vaginally. The thermometer remains at the measuring location for between three to five minutes. Taking measurements under the arm is unsuitable because the armpits do not provide accurate results. While the measurement via the vagina or anus provides very reliable values ​​when used correctly, the oral method is more susceptible to fluctuations in value. But oral measurement also works for many women: Find out which measurement location works best for you. However, you should make sure that you don’t change locations during the cycle.

 Observation of the cervix or cervix

Tips for measuring your basal temperature at a glance

With our five tips, you can reliably measure your basal temperature!

    Always measure your basal temperature at the same time in the morning before you get up.

    Choose between oral, rectal, or vague in measurement and maintain this throughout the cycle.

     Measure several cycles. Only after a few runs can you get reliable information about when your fertile days will come in the cycle.

     Ensure you get enough sleep: To determine reliable values, you need at least four hours of sleep every night.

     The combination of measuring your basal temperature and evaluating your cervical mucus gives you even more reliable information about the best days to get pregnant.

What is the basal body temperature?

The basal temperature describes the body temperature you have in the morning immediately after waking up and before waking up. This wake-up temperature is known as the basal body temperature.

It changes during your cycle and follows a particular pattern: it increases slightly when you ovulate, then remains high for a few days, and falls again shortly before your period starts. This typical basal temperature curve will help you determine your fertile days.

Measuring the basal body temperature is a simple and inexpensive method of natural family planning (NFP) – when trying to have children and for contraception.

: all information

Natural family planning

When is the basal temperature increased?

When ovulating, the basal temperature rises slightly and then remains elevated for several days. Before your menstruation begins, the temperature drops again and then remains constant until the next ovulation. This can be divided into four phases:

    1st phase

    individual, average body temperature (36.3 to 37.4 ° C)

    2nd phase

    Ovulation, recognizable by a drop in temperature and an immediately following significant increase (at least 0.2 ° C)

    3rd phase

    Yellow body phase, 13-14 days a constantly increased temperature

    4th phase

    Shortly before menstruation begins, the temperature drops again.

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What affects the basal body temperature?

To be able to interpret any fluctuations in the basal temperature correctly, you should also make a note of any disruptive factors that can falsify your values.

This includes:

stress

Alcohol and drug use

Time change

Short or disturbed sleep

travel

Sweating or freezing at night

Illness or fever

Measuring basal body temperature: How to do it correctly

The basal temperature is measured daily immediately after waking up (before getting up!). You must always proceed in the same way to rule out fluctuations and minor measurement errors as far as possible.

The easiest way to do this is to measure the temperature with a clinical thermometer.

For evaluation, it is best to start on the first day of your menstruation, i.e., at the beginning of your cycle.