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Why Can Biphasic Basal Body Temperature Help Confirm Ovulation?

For women preparing for pregnancy, B-ultrasound is an accurate and intuitive method of ovulation detection. But going to the hospital every time is a waste of time and unnecessary for many people. In fact, if you can make good use of our basal body temperature, you can accurately calculate the ovulation day through home monitoring.

Ⅰ. What is basal body temperature

The human body is awake and very quiet, and is not affected by muscle activity, mental tension, food, and environmental temperature. The state when it is not affected by factors such as muscle activity, mental stress, food, and environmental temperature is called the basal state. The body temperature in the basal state is called the basal body temperature, also called the resting body temperature. Basal body temperature is usually measured before getting up in the morning. Women's basal body temperature changes with the menstrual cycle. During the follicular period, the body temperature is lower, the day of ovulation is the lowest, and it rises by 0.2 to 0.5 ℃ after ovulation. The change of basal body temperature is a reflection of progesterone in the female body. Shecare provides best basal body temperature thermometer, contact us for more details.

Ⅱ. Menstrual cycle, ovulation day and progesterone

The menstrual cycle can also be referred to as a cycle for short. The cycle starts on the first day of a woman's menstrual cycle and ends at the beginning of the next menstrual cycle. The length of the cycle varies from person to person, ranging from 21 to 35 days, with an average of about 28 days. Normally, a woman only ovulates once in a cycle. The day of ovulation is called ovulation day. A woman's menstrual cycle is separated by the day of ovulation, which is divided into the follicular phase before ovulation and the luteal phase after ovulation. The day after ovulation, the secretion of progesterone by the ovary will increase the basal body temperature by about 0.2-0.5°C, and this increase in body temperature will continue until 1-2 days before the start of the next cycle.

Ⅲ. What is basal body temperature biphasic

For a female with a normal ovulation cycle, the low temperature phase starts from one day before menstruation to two days and lasts until the day of ovulation, then enters the high temperature phase, which lasts 1-2 days after the next menstrual period, and then again Descend into the next cycle. This kind of low-temperature phase and high-temperature phase in each menstrual cycle and the basal body temperature with the ovulation day as the dividing point, is called the biphasic basal body temperature. Correspondingly, if a woman does not ovulate during a cycle, the basal body temperature will not show a biphasic change. This kind of body temperature is called monophasic basal body temperature. Uniphasic body temperature means an ovulation.

Ⅳ. How does basal body temperature biphasic help confirm ovulation day

As mentioned above, the basal body temperature is the lowest on the day of female ovulation, which is the intersection of low temperature and high temperature. After the temperature measurement of a menstrual cycle is over, we can clearly know our own ovulation day by drawing the basal body temperature curve according to the temperature value and finding the intersection of the low temperature phase and the high temperature. However, you'd better use the Shecare bulk ovulation test strips to make sure whether you are ovulating or not.

Ⅴ. How to find the ovulation day according to the body temperature curve-6 low and 3 high

The 6 low and 3 high is a method to check whether the basal body temperature has a biphasic body temperature curve. We can use this method to confirm a woman's ovulation day. The so-called 6 low and 3 high method is to compare the data with the previous 6 body temperature data every day from the first day of the entire cycle. The previous 6 sets of data can draw a highest contrast line for clear comparison. If the data of the first, second and third day are higher than the comparison line, and the data of the third day is higher than the previous 6 sets of data by at least 0.2℃. Then this day means that the basal body temperature has entered the beginning of the high temperature period, which is also called the warming day. The day before the warming day is called the ovulation day.

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