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': 'Increased blood pressure for > 3 months after delivery ? \nSelect and explain. \nA. Pregnancy induced hypeension, B. Essential hypeension, C. Pre eclampsia, D. Gestational hypeension', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Essential hypeension Diagnostic criteria for essential hypeension in pregnancyRise in BP >140/ 90 mm Hgprior to 20th week of pregnancy.Cardiac enlargement on chest radiograph and ECG.Presence ofmedical disorders. Prospective follow up shows rise in BP ever after 42 days following delivery.", 'role': 'assistant'}]