In general, the delay of menstruation for about 1 week is a normal situation, you do not need to do any treatment, of course, in the exclusion of pregnancy, and also depends on the patient’s regularity of menstruation, whether the cycle is prolonged or early and so on the situation of the comprehensive analysis. Generally speaking, if pregnancy is excluded and menstruation is delayed for 1 week, you can wait patiently for a few more days and observe the situation without doing any treatment. Because menstruation itself is affected by many aspects, such as mood changes, stress, poor sleep, malnutrition, or environmental and climatic influences, may lead to delayed menstruation, or early menstruation and lead to irregular menstruation. A lot of biological and physical factors affect, for the time being, you can not have to deal with, just need to observe a few days and be patient.