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
Effect of PIH on GFR is- 
Select and explain. 
A. Increase GFR, B. Decrease GFR, C. GFR remains the same, D. GFR can increase or decrease
B: Decrease GFR
Answer: B: Decrease GFR 
Explanation: In normal pregnancy – changes which occur in renal system are-: