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: Medicine
Platelet count is decreased in all of the following condition except - 
Select and explain. 
A. H. S. Purpura, B. Idiopathic thrombocytopenic purpura, C. Thrombotic thrombocytopenic pupura, D. Systemic lupus erythematosus
A: H. S. Purpura
Answer: A: H. S. Purpura 
Explanation: None