What is the best time to measure ovulation?

When a woman is not pregnant, her body temperature is very normal. After entering the ovulation period, it will be affected by the progesterone in the body and cause the body temperature to rise. If a woman successfully conceives, then the basal body temperature will be high and will not drop. Therefore, one of the main bases for women to judge whether they are pregnant is body temperature. So what is the best time to measure the body temperature of ovulation?

First, what is the best body temperature to measure ovulation? Generally, it is between 36.6 degrees and 37 degrees. A woman's basal body temperature generally changes with the ovulation period: in the first half of the menstrual cycle, the body temperature fluctuates below 36.6 degrees. After ovulation, it will enter the second half of the menstrual cycle. Normally, the body temperature is higher than the first half, and the normal fluctuation is between 36.6 degrees and 37 degrees. If the body temperature rises, it means ovulation has occurred. After a high temperature period lasting about two weeks, the body temperature will drop again and then the menstrual period will come. If you are pregnant, your basal body temperature will no longer drop.

Second, during ovulation, the body temperature changes between high and low phases, and the body temperature will rise during ovulation. When the human body is in a state of complete rest, free from mental and all objective interference, the measured body temperature is called basal body temperature. The most accurate temperature is measured when you wake up at 6-7 in the morning but have not yet gotten up to move around. Basal body temperature can more accurately reflect the ovulatory function of the ovaries and the corresponding endocrine levels.

Third, generally speaking, a woman’s basal body temperature will rise as soon as ovulation begins. The day of ovulation is the day when the body temperature rises from the low temperature range to the high temperature range, which is exactly at the turning point. The basal body temperature of a normal ovulating woman is in the low temperature period, which lasts about two weeks, from the onset of menstruation to the ovulation date; the high temperature period is from the ovulation date to the next menstrual period, with the body temperature rising by 0.3-0.5℃, which also lasts for two weeks. Ovulation usually occurs before or during the rise in body temperature.

What is the best time to measure body temperature for ovulation? Before ovulation is the follicular phase, the ovaries secrete estrogen, and the basal body temperature is mostly passively below 36.6℃. After ovulation, a corpus luteum is formed in the ovary, which secretes progesterone. Progesterone has a thermogenic effect on the central nervous system, raising the basal body temperature by 0.3-0.5°C. The increase in body temperature continues until 1-2 days before the onset of menstruation and then begins to decline. In this way, the changes in basal body temperature during an ovulatory menstrual cycle present a biphasic curve. When the temperature transitions from low temperature to high temperature, an extremely low temperature will occur. The day when the extremely low temperature occurs is the ovulation day.