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The Issue of High or Low Fluctuations in Basal Body Temperature

Although measuring basal body temperature is a small matter, it is not easy to persist in doing it every day. To determine one's own ovulation status, one must record at least one menstrual cycle for a month. Unfortunately, although many sisters have recorded and understood the results, they still do not understand the issue of the high and low levels of basal body temperature. Let Shecare China digital body thermometer supplier summary for you.

Is ovulation day the day when basal body temperature is the lowest?

A netizen asked: "I want to have my own baby, but I am not sure which day ovulation occurs and when it is most likely to conceive. Is ovulation day the lowest or highest day of basal body temperature?"

First, we know that the normal basal body temperature curve with ovulation is a biphasic curve with a distinct high temperature zone and low temperature zone. The temperature difference between the high and low temperature zones is generally around 0.3℃-0.5℃. So where is the ovulation day? Is it the highest or lowest day of basal body temperature?

Generally, ovulation day is on the day when basal body temperature is the lowest. Before ovulation, our adrenal glands secrete a small amount of progesterone, so everyone's basal body temperature is in a low temperature state, generally around 36.2℃. When we ovulate, the rupture of the follicle causes a rapid decrease in estrogen, which causes a decrease in body temperature. After ovulation, the corpus luteum begins to secrete a large amount of progesterone and estrogen, causing our body temperature to rise sharply. Basal body temperature rises within 24-48 hours after ovulation.

Although ovulation day is most likely the day when basal body temperature is the lowest, this is not always the case. Due to the influence of environmental temperature and temperature measurement, there may be errors in basal body temperature, and individual physical conditions vary, so it may take 48 hours after ovulation for body temperature to rise, in which case ovulation day is the day after the extremely low temperature.

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Basal body temperature does not rise significantly after ovulation

Many sisters ask why basal body temperature does not rise significantly after ovulation. Generally speaking, compared with before ovulation, basal body temperature will have an error of 0.3-0.5℃ after ovulation. If it is lower than this value, it may be due to poor luteal development.

For basal body thermometer with app, If the corpus luteum develops poorly and prematurely regresses, the hormones it secretes will be relatively low, sometimes unable to maintain the endometrium, causing irregular shedding and bleeding, leading to a smaller increase in body temperature. Therefore, if there are these symptoms, such as a small amount of vaginal bleeding a few days before menstruation, the high temperature period of basal body temperature measurement is less than 12 days, large fluctuations in luteal phase body temperature, and endometrial examination indicating poor glandular secretion, attention should be paid to this problem.

If the body temperature does not rise much after ovulation, but the high and low temperature periods are normal, and there are no other abnormalities, then there is no problem.

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