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
A 30 week pregnant woman comes to you for antenatal check up. She complains of mild dyspnea and palpitation. On examination pedal edema is present, ejection systolic murmur is present, ECG shows sinus tachycardia, left axis detion, occasional premature ventricular beat. ECHO - Small pleural effusion and mild MR. No other relevant findings are present. What is the next line of treatment? 
Select and explain. 
A. Sta diuretics, B. Sta endocarditis prophylaxis, C. No treatment needed, D. Terminate pregnancy as features are diagnostic of hea failure
C: No treatment needed
Answer: C: No treatment needed 
Explanation: Sinus tachycardia, left or right shift of QRS axis, premature atrial or ventricular beats, increasing hea size and LV mass, small pericardial effusion and mild mitral regurgitation are all normal in pregnancy. A benign ejection systolic murmur is seen in 96%of the patient. Here no treatment is needed. Ref: Philip A Kalra, 3rd edition, Page 298.