Irritation may delay menstruation because of the endocrine disruption of the hypothalamus-pituitary gland caused by severe mental stimulation during the ten weeks of menstruation. Vexation is the emotional response in the case of severe emotional damage, and may affect the body’s endocrine regulation, endocrine disruption can occur delayed menstruation, clinically the cause of delayed menstruation, may be due to the mental tension caused by the anger, so after the anger, irritation can also cause delayed menstruation. The delay in menstruation should also exclude whether it is pregnancy or not. If pregnancy is excluded, the delay in menstruation may be caused by irritation, and should be observed. If you do not have a period for a long time or if you have not had a period for more than a month, you should go to the hospital for examination and treatment.