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': "Most common hea disease associated with pregnancy is : \nSelect and explain. \nA. Mitral stenosis, B. Mitral regurgitation, C. Patent ductus aeriosus, D. Tetralogy of fallot's", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is a i.e. Mitral Stenosis In developing countries like India Most common hea disease in pregnancy is of Rheumatic origin, followed by the congenital hea disease. Most common Rheumatic valvular lesion is mitral stenosis (in 80%) folowed by mitral regurgitation and aoic stenosis. In developed countries : Most common hea disease is congenital hea disease.deg Most common lesion is Atrial septal defect.deg', 'role': 'assistant'}]