If you are 35 years old and have not had an abortion or a history of purging before, consider whether the decrease in menstrual flow is due to premature ovarian failure. It is best to take a blood test on the second or third day of menstruation to see if the follicle stimulating hormone is elevated, and if it is, then it is premature ovarian failure. Clinical interventions are recommended, such as artificial cycle therapy, which involves taking oral pills (one tablet once a day for 21 days) on the fifth day of menstruation. In addition, when the sixteenth tablet is taken, progesterone pills (two pills once a day for five days) should be added, and then discontinued together with the supplement. Since progesterone pills can cause dizziness, it is best to take them at night and before going to bed to avoid dizziness, and menstruation will occur 3-7 days after stopping the pills. It is also recommended that the treatment be given for three consecutive menstrual cycles to see if there is any change in follicle stimulating hormone.