This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular Disorders, Subject name: Gynaecology & Obstetrics
Heart disease with worst prognosis for mother and fetus in pregnancy is - 
Select and explain. 
A. Mitral regurgitation, B. Eisenmenger's complex, C. Coarctation of aorta, D. Mitral stenosis
B: Eisenmenger's complex
Answer: B: Eisenmenger's complex 
Explanation: Ans. is 'b' Eisenmenger complex. This has been explained already that worst prognosis in pregnancy is associated with pulmonary hypertension and in Eisenmenger complex pulmonary hypertension is a prominent feature.