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: Medicine
[{'content': 'A woman has a bilateral headache that worsens with emotional stress; she has two children, both doing badly in school; diagnosis is \nSelect and explain. \nA. Migraine, B. Cluster headache, C. Tension headache, D. Trigeminal neuralgia', 'role': 'user'}, {'content': "Answer: C \nExplanation: A tension-type headache (TTH) is a syndrome characterized by bilateral tight, band-like discomfo, builds slowly, fluctuates in severity, episodic or chronic (present >15 days per month).Usually occurs without accompanying features such as nausea, vomiting, photophobia, phonophobia, osmophobia, throbbing, and aggravation with movement. Ref: Harrison's 18/e p121,122", 'role': 'assistant'}]