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
[{'content': 'Danaparoid is \nSelect and explain. \nA. Xa analog, B. Oral Xa inhibitor, C. Parenteral Xa inhibitor, D. Oral Direct thrombin inhibitor.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Danaparoid is a parenteral Xa inhibitor which is Drug of choice for "Heparin induced thrombocytopenia" in pregnant women as Argatroban is contraindicated.', 'role': 'assistant'}]