Megestrol acetate tablets are mainly used to treat advanced breast cancer or advanced endometrial cancer. If there is no menstruation during the medication period, this medication itself may cause menstrual disorders, so there is no need to be nervous first and you can continue to observe. However, it should be noted that if there is still normal ovulation and the presence of the uterus, it may lead to pregnancy. It is recommended to rule out the possibility of pregnancy first, and you can use the morning urine to test the early pregnancy test paper. You can massage the stain making point below the first joint on the dorsal side of the thumb, as this point is relatively small, you can use a ball point pen to massage it and press it twice a day with 100 strokes each time, which has the effect of promoting menstruation.