Some scholars have referred to this phenomenon as remnants of primitive sexual organ tissue remaining in the nose.
In summary, compensatory menstruation nosebleed, commonly known as "reverse menstruation," does not mean that blood from the Uterus has flowed into the nose. It simply indicates that an organ, influenced by sex hormones, is emitting periodic signals.
If reverse menstruation occurs, is it normal? Based on the anatomy and physiology knowledge just discussed, it appears to be normal.