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
Increased blood pressure for > 3 months after delivery ? 
Select and explain. 
A. Pregnancy induced hypeension, B. Essential hypeension, C. Pre eclampsia, D. Gestational hypeension
B: Essential hypeension
Answer: B: Essential hypeension 
Explanation: 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.