Female body temperature during menstrual period

Female body temperature during menstrual period

Menstruation is a physiological phenomenon that everyone is familiar with. During the menstrual cycle, a woman's body temperature fluctuates. Often the body temperature is slightly lower in the first half of the menstrual period and slightly higher in the second half. Why? What is the body temperature of women during menstruation? Let's have a simple understanding of this issue. I hope the following points will be helpful to everyone!

In addition to the ovulation period, the uterus and ovaries also secrete growth hormones, the key being estrogen and estrogens. Before ovulation, the key is the growth and development of the egg, which is dominated by the secretion of estrogen. The egg after ovulation produces progesterone, and the lutein produces two hormones, namely estrogen and estradiol. Estrogen can stimulate the body's temperature nerve center, causing the body temperature to rise slightly. The body temperature of a normal woman can rise by 0.3-0.5 degrees Celsius after ovulation.

We can measure the changes in body temperature by checking the ovulation temperature. The method is to measure the body temperature by yourself when you wake up after sleeping for more than 6-15 hours, but before doing any activities. After waking up, record the measured body temperature in the ovulation temperature sheet, and do it every day to draw a curve.

The normal curve is slightly lower before ovulation and the lowest during ovulation; after ovulation, due to the thermogenic effect of estrogen, the body temperature is higher than that in the follicular phase. Therefore, the normal curve is biphasic. The anovulatory menstrual cycle lacks estrogen and there is no such periodic change, and the body temperature is consistently monophasic. The practical significance of body temperature changes:

1. Biphasic body temperature can be used as an important indicator of ovulation. The ovulation time is 2-3 days before the biphasic body temperature changes. Monophasic body temperature can definitely prevent ovulation and progesterone production.

2. If the biphasic high body temperature phase (follicular phase) lasts for more than 16 days, pregnancy is possible, which is a good sign for infertile patients undergoing treatment, but protective measures should be taken for those with habitual miscarriage.

3. It is generally believed that the high temperature period of the body temperature curve should not be less than 12 days, and the increase should not be less than 0.3-0.5 degrees Celsius, otherwise it means that the corpus luteum function is insufficient.

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