This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
Least dangerous in pregnancy? 
Select and explain. 
A. Ebstein's anomaly, B. Pulmonary hypeension, C. Cyanotic hea disease, D. Marfan syndrome
A: Ebstein's anomaly
Answer: A: Ebstein's anomaly 
Explanation: (Refer: William's Obstetrics, 23rd edition, pg no: 280, 281)(Refer: Mudaliar and Menon&;s Clinical Obstetrics, 11th edition, pg no- 237)