If there is a history of normal sexual life and no contraception, pregnancy should be ruled out first after a wrong period. If there is no pregnancy, it may be caused by endocrine disorder, do not be nervous, you can continue to observe. Emotional tension can also delay menstruation, so relax and drink a bowl of hot brown sugar water every day, which has a stimulating effect on menstruation. If you drink it for 3 days in a row and still do not have your period, you can take progesterone orally to promote menstruation, 1 time a day, 2 capsules a time, for 3 days in a row, it will achieve the effect of promoting menstruation, usually 3-7 days after stopping the medication, you will have your period. If you have a missed period every time, it is recommended to have a blood test for hormone 6 on the 2nd or 3rd day of your period and adjust according to the results.