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: Gynaecology & Obstetrics
[{'content': 'Prolactinoma in pregnancy, all are true except \nSelect and explain. \nA. Most common pituitary tumor but rarely symptomatic, B. Increase in prolactin levels worse prognosis, C. Macroadenoma> 1 cm is associated with bad prognosis, D. Regular visual checkup', 'role': 'user'}, {'content': 'Answer: B \nExplanation: PROLACTINOMA\n\nProlactinoma is a prolactin secreting tumours of the pituitary\nIt is a benign tumor\nIt is most common type of primary tumour\nIt is more common in women than in men', 'role': 'assistant'}]