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: Medicine
Pregnancy is better avoided in all of the following congenital hea diseases, EXCEPT: 
Select and explain. 
A. Cyanotic hea disease, B. Pulmonary hypeension, C. Marfans syndrome with a dilated aoic root, D. Mitral stenosis
D: Mitral stenosis
Answer: D: Mitral stenosis 
Explanation: The most common bih defects are cardiovascular in origin. It is multifactorial CHD complicates 1 % of all live bihs Women with aoic disease (e.g., aoic coarctation or Marfan's syndrome) are at risk of aoic dissection. Avoid pregnancy in patients with Cyanotic hea disease, Pulmonary hypeension Marfan's syndrome with a dilated aoic root Ref: Harrison, Edition-18, Page-1342.