This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
The risk of thromboembolism increases in pregnancy because 
Select and explain. 
A. Viscosity of blood increases, B. Increased hepatic production of clotting factor, C. Increased antithrombin III levels, D. Increased progesterone levels
B: Increased hepatic production of clotting factor
Answer: B: Increased hepatic production of clotting factor 
Explanation: None