All are true regarding renal changes in normal pregnancy except: (A) Serum creatinine decreases., (B) GFR and Renal plasma flow increase by 50%., (C) Increase in serum bicarbonate levels., (D) Increased placental metabolism of AVP may cause transient diabetes insipidus during pregnancy.
Answer is C. Serum bicarbonate levels decreased by 4 → 5m Eq / L due to decreased renal bicarbonate threshold.