This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Bleeding from the umbilicus in an adult female during menstruation is suggestive of - 
Select and explain. 
A. Bleeding diathesis, B. Vicarious menstruation, C. Persistent urachus, D. Purpura
B: Vicarious menstruation
Answer: B: Vicarious menstruation 
Explanation: Ans. is 'b' i.e., Vicarious menstruation Vicarious menstruation: Vicarious meaning - assumption of the function of one organ by another; Vicarious menstruation means - blood loss during menstruation at some site other than the as hemorrhage from the nose vagina the breast or eyes or the umbilicus.