Generally speaking, women's menstrual cycle is 28 to 30 days, but some people's menstrual cycle is as long as 40 days, but as long as it is regular, it is normal. In addition, the length of the menstrual cycle is easily affected by various factors, so it is normal to be 3 to 5 days ahead of schedule or wrong. Gynecologists say that if the menstrual cycle is 20 days and the next time is 40 days, this often happens, and some even have 1 to 2 days of menstruation, 10 days after 1 to 2 days, and lose periodicity, which belongs to irregular menstruation. However, when a girl is in menarche, because the ovaries have just developed and their functions are not perfect, there will be dysfunction and irregularity. Such a long menstrual cycle problem is not a pathological phenomenon. When the ovaries are fully developed, menstruation will resume its regularity. But some long menstrual cycles may also be caused by diseases, and women need to be particularly vigilant. 1. Central nervous system-hypothalamic abnormalities include reactions caused by mental stress, such as environmental changes, excessive tension, and mental shock; weight loss, anorexia nervosa, excessive exercise, and drug-induced hypothalamic gonadotropin regulation dysfunction or inhibition; abnormal hormone secretion caused by congenital diseases or brain malformations and tumors. 2. Pituitary abnormalities refer to pituitary lesions that cause abnormal gonadotropin secretion, including congenital factors and acquired lesions, such as pituitary tumors. 3. Ovarian abnormalities Polycystic ovary syndrome is caused by congenital ovarian dysplasia or ovarian dysfunction or secondary abnormalities, such as polycystic ovary syndrome, clinical manifestations of sparse menstruation, irregular, hirsutism, obesity, etc.; ovarian functional cysts; ovarian tumors, etc., affect menstruation due to hormonal changes. Then there is a severe pelvic infection, which can also destroy bilateral ovarian tissue, thereby affecting menstruation and even permanent amenorrhea, among which tuberculosis is more common. 4. Uterine abnormalities Uterine dysplasia and endometrial damage can also lead to sparse menstruation or even amenorrhea. Endometrial damage includes inflammatory factors, such as endometrial tuberculosis; it can also occur after childbirth or abortion due to excessive scratching causing endometrial basal damage or adhesion. |
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