This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Physiological Changes of Pregnancy, Subject name: Gynaecology & Obstetrics
While evaluating the hea of a 29-year old primigravida at term you notice that there is S2 & S3 which are easily audible and a systolic ejection murmur greater during inspiration, you immediately recognize that... 
Select and explain. 
A. The presence of S3 is abnormal, B. The systolic ejection murmur is unusual in a pregnant woman at term, C. Wide pulse pressure is rare in pregnant women, D. All findings recorded are normal changes in pregnancy
D: All findings recorded are normal changes in pregnancy
Answer: D: All findings recorded are normal changes in pregnancy 
Explanation: In Pregnancy Hea rate increases by about 10 to 15/min. Exaggerated splitting of the first hea sound Increased loudness of both S1& S2 components, A loud easily heard S3 >95% develop systolic murmur which disappears after delivery. 20% have a transient diastolic murmur. 10% develop continous murmur due to increase mammary blood flow.