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
All of the following cause increased ESR except 
Select and explain. 
A. Pregnancy, B. New born, C. Leucocytosis, D. Sickle cell anaemia
D: Sickle cell anaemia
Answer: D: Sickle cell anaemia 
Explanation: Sickle cell anemia - ↓ ESR.