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: Pharmacology
Danaparoid is 
Select and explain. 
A. Xa analog, B. Oral Xa inhibitor, C. Parenteral Xa inhibitor, D. Oral Direct thrombin inhibitor.
C: Parenteral Xa inhibitor
Answer: C: Parenteral Xa inhibitor 
Explanation: Danaparoid is a parenteral Xa inhibitor which is Drug of choice for "Heparin induced thrombocytopenia" in pregnant women as Argatroban is contraindicated.