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
Which of the following is the least likely physiological change in pregnancy: 
Select and explain. 
A. Increase in intravascular volume, B. Increase in cardiac output, C. Increase in stroke volume, D. Increase in peripheral vascular resistance
D: Increase in peripheral vascular resistance
Answer: D: Increase in peripheral vascular resistance 
Explanation: None