If you haven’t had your period for a month, and you are a married woman or have a history of sexual intercourse, it is recommended that you must first rule out the possibility of pregnancy, and you can utilize early pregnancy test paper to do the test. If there is no pregnancy, clinically it is likely to be caused by endocrine disorders, it is recommended that oral progesterone to promote menstruation, 1 time / day, 2 capsules / times, for 3 consecutive days, after stopping the drug will come to menstruation in 3-7 days. If menstruation does not occur on the 8th day, it is recommended to go to the hospital for appropriate examination to exclude the possibility of premature ovarian failure. If a woman in menopause has not had a period for 1 month, it is also recommended to rule out the possibility of pregnancy. If there is no pregnancy, it is recommended to let nature take its course, and the clinic can observe that it is possible that the woman has entered menopause and will not menstruate again, or there will be a period of menstrual disorders, and then clinically she will not menstruate at all.