A month menstruation still did not come how to return a responsibility

First look at the age, if the previous menstrual rule has a normal sexual life in the reproductive period of women, you can take blood to detect the level of human chorionic gonadotropin in the blood to determine whether pregnant. If pregnancy is ruled out, consider late menstruation, pelvic ultrasound can be performed to understand endometrial thickness. If the examination results show thin endometrium, indicating low estrogen in the body, such as thick endometrium may be related to ovulation, hormone adjustment can be appropriately used, if necessary, check sex hormone six and thyroid function. If the previous menstruation is irregular, menstruation is rare, it may be related to polycystic ovary syndrome and ovarian dysfunction, requiring systematic treatment. In addition, occasionally a month does not come menstruation problem is not big, may be related to mood, mental stress, depression, environmental changes will affect menstrual cramps. Women into menopause menstruation will also slowly reduce until the late menstrual amenorrhea, is a normal phenomenon without special treatment.