If you have not had a period for several months and have a history of normal sexual intercourse, you should first rule out the possibility of pregnancy. It is recommended to test first using morning urine with early pregnancy test paper, if it is negative, it indicates that there is no pregnancy. Progesterone can be taken orally in this case. The details are as follows: progesterone pills, 1 time a day, 2 pills a time. Since progesterone pills can cause dizziness, it is recommended to take them orally before going to bed for 5 days, and your period will come 3-7 days after stopping the medication. If you don’t get your period on the 8th day after stopping the medication, you must go to the hospital for a detailed examination, mainly to rule out the possibility of premature ovarian failure, and also to rule out other organic pathologies.