Aunt postponed 4 days, test paper a bar, is not to period aunt

The patient menstruation delays 4 days, dipstick a bar, suggest that the patient go to the hospital blood test, clear whether pregnant. If ruled out pregnancy, consider is the patient endocrine disorder, leading to menstrual disorders; Or suffering from endometriosis, cervicitis and other gynecological diseases, will also appear menstruation delayed phenomenon.