How many days is menstrual cycle normal

Menstrual cycle is the number of days between menstruation, WHO criteria (guidelines), menstrual cycle 24-35 days are normal. But the length of the monthly sexual cycle is also a sign of unhealthy health.

 If the menstrual cycle is long, it may be the following reasons:

 1. central nervous system hypothalamus abnormalities. Central nervous system hypothalamic abnormalities can be divided into three aspects, one is mental stress, such as environmental changes, mental shock and other mental stress caused by the response; the other is hypothalamic secretion, such as weight loss, anorexia nervosa, excessive exercise and so on can cause hypothalamic secretion of sex hormone regulation dysfunction or inhibition; third, hormone secretion abnormalities, such as congenital diseases or tumors, can cause hormone secretion abnormalities.

 2. pituitary abnormalities. If pituitary lesions occur, the secretion of sex hormones can be abnormal, resulting in a long menstrual cycle. This has both congenital factors and acquired lesions.

 3. uterine abnormalities. Uterine dysplasia, endometrial destruction can also cause menstrual cycle too long, or even amenorrhea.

 4. ovarian abnormalities. Congenital dysplasia of the ovary, abnormal ovarian function or secondary lesions and so on, can lead to excessive menstrual cycle, such as polycystic ovary syndrome, its clinical manifestations are sparse menstruation, irregular, hairy and so on. In addition, severe pelvic infection can also damage bilateral ovarian tissue, thus affecting menstruation.

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 If the menstrual cycle is short, it may be the following reasons:

 1. ovarian reserve dysfunction: more women of childbearing age after 35 years of age.

 2. luteal insufficiency: because the relatively fixed luteal phase becomes shorter, the menstrual cycle becomes shorter, and the disease occurs at reproductive age.

 3. severe uterine leiomyoma: uterine leiomyoma in menstrual volume, but also frequent menstruation or menstrual cycle shorter symptoms.

 In addition, adolescent dysfunctional uterine bleeding can also lead to shorter menstrual cycles. The reason for the short menstrual cycle in adolescent women is that the hypothalamus-pituitary-ovarian function is not fully developed and mature. Menopausal dysfunctional uterine bleeding can also lead to short menstrual cycles. So ovarian dysfunction is also the cause of short menstrual cycle.

 Chinese medicine believes that women menstrual irregular and eating and drinking have a great relationship. Therefore, the daily life diet irregular, bad eating habits will affect menstruation, resulting in irregular menstruation, can be improved through diet therapy.

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