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 among the following is decreased in twin pregnancy compared to singleton pregnancy 
Select and explain. 
A. Blood loss at delivery, B. Blood pressure at term, C. Blood volume expansion, D. Systemic vascular resistance
D: Systemic vascular resistance
Answer: D: Systemic vascular resistance 
Explanation: Multifetal pregnancy is characterized by augmented hypervolemia and decreased vascular resistance.