What reason does menstruation have

summary

In women's life, they often encounter the phenomenon of delayed menstruation. Sometimes it is a normal physiological reaction, sometimes it is a pathological reaction. The menstrual cycle is generally 28-30 days. It is still normal to advance or delay about 7 days, and the length of the cycle varies from person to person, Menstruation of the normal women will be worried. Now I tell you about menstruation did not come what reason.

What reason does menstruation have

Reason 1: Uterine reasons. Also called uterine amenorrhea. The reason why women don't come to regular leave is amenorrhea caused by uterine problems, such as congenital absence of uterus, uterine dysplasia, or childhood disease involving endometrium, adhesion or scar. Although ovarian function is very good, female characteristics are normal, but no menstruation. After the onset of menarche disease, such as endometrial tuberculosis, endometrial schistosomiasis, endometrial suppuration or curettage when the endometrial basal layer, can not respond to ovarian hormones and secondary amenorrhea. 　　

Reason 2: ovarian reasons. Also known as ovarian amenorrhea. Normal menstruation, women do not leave the reason is due to ovarian secretion of hormones in the endometrium, make it change, and then fall off, bleeding and form. If the ovary can not secrete hormone, the endometrium will not change, menstruation will stop naturally, such as congenital ovarian dysplasia, premature ovarian failure and so on. This kind of reason amenorrhea, often accompanies the feminine characteristic degeneration phenomenon, like the breast becomes equal.

The third reason is pituitary. It is called pituitary amenorrhea. Pituitary gland is located in the lower part of the brain, small in size, but commands the endocrine organs of the whole body. When pituitary function changes, ovarian function decreases. The common pituitary diseases are tumor and hypopituitarism.

matters needing attention

This category covers a wider range, such as suffering from systemic diseases, endocrine diseases, rapid weight loss during chemotherapy and polycystic ovary syndrome.