This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Obs), Subject name: Gynaecology & Obstetrics
All of the following cardiovascular physiological changes occur in pregnancy EXCEPT 
Select and explain. 
A. Increased cardiac output, B. Increased heart rate, C. Increased stroke volume, D. Increased systemic vascular resistance
D: Increased systemic vascular resistance
Answer: D: Increased systemic vascular resistance 
Explanation: (D) Increased systemic vascular resistance # Physiological Changes seen in Cardio-Vascular System in Pregnancy:> Raised pulse rate by about 10 beats|min.> Lateral & upward displacement of apex.> Exaggerated splitting of first heart sound.> Systolic murmur intensifying during inspiration.> Decreased arterial blood pressure & vascular resistance.> Increased cardiac output more in lateral recumbent position.