• Cassandra Wasson
  • Albert Kelly
  • David Ninan
  • Quy Tran


This chapter outlines the effects pregnancy has on the renal system. It addresses the changes in renal clearance and common laboratory tests for the renal system, such as BUN, creatinine clearance, and urinary proteins.


Creatinine clearance BUN GFR Urinary protein Urinary albumin Urinary glucose 
Chapter  2 Chestnut’s
  1. 1.

    Kidneys enlarge by as much as 30%

  2. 2.

    Collecting system dilates; hydronephrosis is very common

  3. 3.
    Creatinine clearance increases and BUN decreases due to an increase in GFR and renal plasma flow during pregnancy
    1. (a)

      Normal Cr level during pregnancy is 0.5–0.6 mg/dL

    2. (b)

      Normal BUN level during pregnancy is 8–9 mg/dL

  4. 4.

    Urinary protein, albumin , and glucose excretion are increased during pregnancy


Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Cassandra Wasson
    • 1
  • Albert Kelly
    • 1
  • David Ninan
    • 2
  • Quy Tran
    • 3
  1. 1.Riverside University Health System - Medical CenterMoreno ValleyUSA
  2. 2.Riverside University Health System - Medical CenterLoma LindaUSA
  3. 3.Harbor–UCLA Medical CenterTorranceUSA

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