Vacation refers to menstruation, and breast pain here refers to breast pain. If the breast pain stops after a few days and menstruation is delayed, the main considerations are pregnancy and breast hyperplasia. 1. Pregnancy: If you are a woman of childbearing age and your period is delayed and your breasts hurt for a few days and then don’t hurt anymore, you need to consider the possibility of pregnancy. If menstruation has been delayed for ten days, you can go to the hospital for ultrasound as well as early pregnancy test to make sure. If it is clear that you are pregnant, you should do regular maternity checkups. 2. Breast Hyperplasia: Generally, there will be breast swelling and pain before menstruation, and the symptoms will improve significantly after menstruation. For patients with breast hyperplasia, there may be irregular breast pain, noticeable during menstruation. Delayed menstruation breast pain for a few days and then no more pain, it is recommended to go to the hospital in a timely manner to clarify whether there is pregnancy or other pathological factors, to avoid delaying the condition.