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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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The most common manifestation of moderate /severe Hemophilia A is:
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The correct answer is  Answer is A (Recurrent Hemahrosis): Recurrent Hemahrosis is the most common manifestation of Hemophilia A. 'Recurrent Hemahrosis is the most common manifestation of Hemophilia-A occurring in up to two third of patients' --Primer on the Rheumatic Diseases 'In the severe form the most common bleeding manifestations are the recurrent hemahroses'