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
All of the following puy NiUiugiLai changes are seen in pregnancy except: 
Select and explain. 
A. Increased stroke volume, B. Increased cardiac output, C. Increased intravascular volume, D. Increased peripheral resistance
D: Increased peripheral resistance
Answer: D: Increased peripheral resistance 
Explanation: Ans. d. Increased peripheral resistance(REF-Dutta6/e pg 53,51)During the physiological course of pregnancy, maternal peripheral vascular resistance decreases."Pregnancy is a state of hypervolemia. There is active retention of sodium (900 mmol), potassium (350 mmol) and water."- Dutta 6/e p51