No menstruation needs to be dealt with symptomatically for different situations, there are the following situations: 1, physiological factors cause delayed menstruation, female endocrine will be affected by many factors, delayed or early, such as environmental factors, work factors or mental factors, etc., are prone to endocrine disorders, delayed menstruation and other situations, occasionally appear once in a while generally will not affect the normal menstruation, after life returns to normal, the After normal life, menstruation will soon return to normal and no special treatment is needed. Sometimes women may not have a period once in a while due to overwork, or long-term mental tension, malnutrition, etc. This is also a normal phenomenon, and the period will return to normal after life is restored. 2. Pregnancy, some women with delayed menstruation may be pregnant, and need to do an early pregnancy test to confirm whether they are pregnant or not after 1 week of delayed menstruation. 3. Pathological factors, some women do not have a period. 3, pathological factors, some women do not have a period, may be endocrine disorders cause menstrual disorders.