What is the difference between menstruation and 40 days in 20 days?

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What is the difference between menstruation and 40 days in 20 days?

2018-12-28 10:25:30 342 ℃


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This is a problem.

Every girl has her own regular menstruation, but there are not a lot of irregularities. Some people will be curious: In the end, it will be good once in 20 days, or will it be good in 40 days?

< Strong>Learn about normal menstruation should be a few days

Most menstruation 28-30 Once a day or so (the interval between the first two menstrual periods, also known as the menstrual cycle), the medically allowed range of 21-35 days, the fluctuation of the number of days does not exceed 7 days, is normal. Therefore, whether it is early or late, it is normal to be within this range.

The menstrual cycle is closely related to the regularity of follicular development. When the follicle enters the stage of rapid development until the mature is discharged, about half a month, after the ovulation forms a corpus luteum, it can be maintained for 14 days. In this process, follicles and corpus luteum can secrete estrogen and progesterone, acting on the endometrium, undergoing periodic hyperplasia and secretion changes.

If fertilization is successful, the corpus luteum will continue to maintain until about 12 weeks of gestation, producing hormones, and the inner membrane gradually transforms into a membrane, which is slowly normal pregnancy. However, most of the time there is no pregnancy, the corpus luteum atrophy, estrogen and progesterone decline, the endometrium can not support, it will fall off to form menstruation.

After the week, the menstrual cycle is mostly around 28 days.

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Which is better?

Every once in 20 days or 40 days, in theory, it’s not normal. One is frequent menstruation, and the other is menstrual thinning. However, if you fix this time once, it is still acceptable. Here, En Ge chooses these two numbers for the convenience of calculation and saving trouble.


From the point of view of saving money, it is assumed that each menstrual period is similar and the amount of menstruation is similar. Of course, it’s more cost-effective in 40 days, saving half of the money. Sanitary napkins also use a lot of less, and the care of private parts also saves a lot of things.


Friends of dysmenorrhea will definitely choose to come once in 40 days. If you can't come, it's even better. Less than 9 menstrual times a year means less pain for 9 x N days. If you come once in 20 days, you are expected to doubt your life.

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A menstrual period in 20 days, compared with 40 days, it is more prone to anemia. Many women have mild anemia, and menstrual flow is a common cause.


Pregnant friends may like to have menstruation in 20 days. If you have ovulation, you will have twice the chance of conception every year! However, regardless of 20 days or 40 days, there may be endocrine diseases, such as ovarian function decline, polycystic ovary syndrome, hypothyroidism, hyperprolactinemia, etc., not necessarily a chance in 20 days, there are It may be all empty.


Afraid old women should like menstruation for 40 days, so that follicles mature less, and ovarian function declines slowly. . Is it so understood?

However, follicles are non-renewable, women have the most from more than 1 million follicles at birth, and may only have one hundred and twenty thousand in adulthood. Basically, there are few left and right, and then menopause . It can be seen that the number of follicles that mature every time the menstruation is negligible compared to the thousands of self-consumption of follicles. Therefore, a menstrual period in 40 days and once in 40 days does not have a significant effect on ovarian function decline.

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In general, menstruation may be better in 40 days. If the period is fixed, it doesn't matter. If it turns out to be 40 days after 28 days, be alert to ovarian function. Recession, it is recommended to come to the hospital in time.