What's the reason my aunt hasn't been coming?

Menstruation has not come to the following possible reasons. First of all, it is possible to be pregnant. To determine whether pregnancy needs to be done to the hospital for relevant examinations, according to the results of the examination to judge. If the possibility of pregnancy is ruled out, it may be caused by irregular menstruation. There are many reasons for irregular menstruation, such as endocrine disorders, irregular life and rest, staying up late, overwork, etc. Usually pay attention to daily life to maintain the law, eat more soybeans and their products, pay attention to keep warm during menstruation, fast raw, cold, spicy and other irritating foods, drink more brown sugar water, conducive to normal menstruation and health.