Menstruation delayed for 5 days did not come, in the 5th day suddenly more a lot of leukorrhea may be a normal phenomenon, may also be pregnancy, endocrine disorders and other reasons. 1. Normal phenomenon: the normal menstrual cycle of women is 21-35 days, an average of 28 days, if affected by emotions, environmental changes and other factors, on this basis, delayed up to 7 days are normal, generally do not need too much intervention. 2. Pregnancy: If menstruation has been regular in the past and is delayed at this time, it is necessary to consider whether there is unprotected sex, and an increase in secretions may also be a sign of pregnancy. 3. Endocrine disorders: Hormonal disorders, such as polycystic ovary syndrome, can lead to abnormal shedding of the uterine lining, resulting in delayed menstruation, which may be accompanied by increased secretions. There may also be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.