We all know that menstruation is formed by the periodic shedding of the endometrium, so the factors that determine how long it lasts are endocrine, endometrial, and nutritional status of the body.
If we compare menstruation to crops in the field, harvesting once a month, withering and flourishing once a month, and continuing to grow after harvesting the next month. So, the endometrium is like soil, the endocrine system is like fertilizer, and the body's nutritional status is like light, temperature, and so on.
1. Soil - Inner membrane
It's just damage to the endometrium. For example, uterine adhesions, such as endometrial tuberculosis, endometritis, acute and chronic pelvic inflammatory disease, can lead to soil desertification. Only fertile black soil can grow vigorous life, while sandy saline alkali land is difficult to sprout life. Many women find that their menstrual periods are less than before due to repeated abortions or endometrial diseases.
2. Fertilizers - Endocrine
It's just an endocrine disorder. The most common diseases include pituitary axis problems, decreased ovarian reserve function, early-onset ovarian insufficiency, thyroid dysfunction, polycystic ovary syndrome, hyperprolactinemia, etc. The occurrence of menstruation is based on hormonal changes. Without hormones, there would be no menstruation, so any hormonal changes may affect the changes in menstruation. This is also why the older the age, the less menstruation, because women's ovarian function is declining.
3. Light, temperature - overall nutritional status
Some girls excessively lose weight and have poor nutritional status, resulting in reduced menstruation or even amenorrhea. In addition, severe liver disease, kidney disease, and severe anemia may also cause menstrual insufficiency.
So, the problem of low menstrual flow can be solved symptomatically based on the above reasons, and menstruation is also a form of emotional expression, and psychological factors are also important. The impact of good emotions on menstruation cannot be ignored.