This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Gynae), Subject name: Gynaecology & Obstetrics
During pregnancy, GFR - 
Select and explain. 
A. Increases, B. Decreases, C. Remains unchanged, D. Increases only in multiple gestations
A: Increases
Answer: A: Increases 
Explanation: Ans. is 'a' i.e., Increases Renal changes in pregnancyIncreasedDecreasedRenal blood flow (+50%)S. creatinineGFR (+50%)S. BUNCreatinine clearanceS. uric acidGlucosuriaPlasma osmolalityAminoaciduriaS. Na+/K+/Cl-* S. aldosterone increases in pregnancy.* S. ADH (antidiuretic hormone) remains unchanged in pregnancy.