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
[{'content': 'Antibodies for the following conditions may be transmitted from mother to fetus except - \nSelect and explain. \nA. Rh-incompatibility, B. Isoimmune thrombocytopenia, C. Toxic erythema, D. Myaesthenia gravis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]