What is the matter with very little menstrual flow and almost no menstruation

Menstruation volume is very small, almost not usually seen in endocrine disorders, and diet structure is unreasonable, long-term stay up late, mental stress and other factors are related. It may also be premature ovarian failure, uterine fibroids and other gynecological diseases caused. In addition, if you regularly take contraceptives, the above phenomenon will also occur.