This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
[{'content': 'In contrast to heparin, enoxaparin \nSelect and explain. \nA. Can be used without monitoring the patients aPTT, B. Is less likely to have a teratogenic effect, C. Is more likely to be given intravenously, D. Is more likely to cause thrombosis and thrombocytopenia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref: KDT 6/e p599 Enoxaparin is a LMW heparin. It does not require monitoring Both heparin as well as enoxaparin do not crose placenta and are not teratogenic.', 'role': 'assistant'}]