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Is a Basal Thermometer the Same As a Normal Thermometer?

Basal body temperature refers to the body temperature measured by women after 6-8 hours of sleep and before any activity. It is also the lowest body temperature in a day. Many people are planning to have a baby. People who want to know the ovulation period will also know whether they are in the ovulation period by measuring the basal body temperature. Generally speaking, the body temperature of adult women will drop to the lowest before ovulation, and the body temperature will rise by about 0.3-0.6 ℃ after ovulation, and with the arrival of the next menstruation, the body temperature will return to normal.

1. The basal thermometer is different from the general thermometer

The basal thermometer of the thermometer that measures the menstrual cycle is completely different from the thermometer that measures body temperature in general.

(1) Features of basal thermometers

The main reason is that the scale of the thermometer is denser, so that slight body temperature changes can be measured. Most people don't know how to read and record decimal points. The thermometer for measuring menstrual cycle uses a scale of 0V, which is easier to record. Basal thermometers are available at most pharmacies, or ask your doctor.

(2) How to use the basal thermometer

To measure basal body temperature, in principle, as long as you wake up from a deep sleep (even if you sleep until noon), and you have not talked, exercised, eaten or been emotionally disturbed in bed, shake off the last night and put it on the bedside table or under the pillow. Take out the basal thermometer, put it under the tongue for at least 2 minutes, and then record it on the basal thermometer.

2. How do you know if your basal body temperature has ovulated?

Ovulation body temperature mainly depends on the temperature difference between high temperature and low temperature in basal body temperature and its duration. Under normal circumstances, the basal body temperature of women of childbearing age after ovulation is slightly elevated to 36.8-37°C due to the stimulation of the body temperature center by progesterone, which is generally higher than 0.3-0.5°C before ovulation, and 1-2°C before menstruation. day or 1st day of menstruation. Therefore, in the normal ovulatory menstrual cycle, the connection line of the basal body temperature measured every day presents a biphasic curve. In the anovulatory menstrual cycle, due to the lack of progesterone, the basal body temperature changes irregularly and periodically, showing a single-phase curve. The basal body temperature of normal women of childbearing age is the same as the menstrual cycle, showing cyclical changes, and this body temperature change is related to ovulation.

Women's menstrual cycle begins with the first day of menstrual redness. The length of the cycle varies from person to person, ranging from about 21-35 days, with an average of about 28 days. The follicular phase and the luteal phase after ovulation. The length of the follicular phase is not certain, but the luteal phase is fixed for about 14 days and about two days. The next day after ovulation, the corpus luteum is formed by the ovary, and the secretion of lutein will increase the body temperature by about 0.6 degrees Celsius, causing the basal body temperature to show a two-phase change between high and low. The high temperature period lasts for about 12-16 days (14 days on average).

If there is no pregnancy, the corpus luteum atrophy stops secreting progesterone, the body temperature drops, returns to the baseline, and menstruation comes. If you are already pregnant, because the corpus luteum is supported by the hormones secreted by the embryo, it will continue to secrete progesterone, and your body temperature will continue to be high. If the ovarian function is poor, there is no ovulation and no corpus luteum formation, and the body temperature will continue to be low.

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