What is Aunt Postponement? Postponed menstruation refers to a woman\’s menstrual cycle being delayed or not occurring at the scheduled time. Under normal circumstances, women will have menstruation once a month, which lasts for 3-7 days. But sometimes the aunt will delay or even not come due to various reasons, which requires attention. What were the reasons for my aunt’s delay? 1. Physiological reasons: Age, physical condition, whether you have performed strenuous physical activities recently, etc. will all affect the arrival time of your aunt. Especially for young women, because their bodies are still developing and their menstrual cycles are unstable, they may be delayed. 2. Psychological reasons: Stress is a common cause of aunt’s delay.