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Case Reports in Obstetrics and Gynecology
Volume 2017 (2017), Article ID 7879038, 5 pages
Case Report

Pitfall in the Diagnosis of Diabetes Insipidus and Pregnancy

1Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY, USA
2Department of Radiology, College of Physicians and Surgeons, Columbia University, New York, NY, USA

Correspondence should be addressed to Melissa Sum

Received 14 February 2017; Revised 31 May 2017; Accepted 22 June 2017; Published 27 July 2017

Academic Editor: Akihide Ohkuchi

Copyright © 2017 Melissa Sum et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Diabetes insipidus (DI) during pregnancy and the perinatal period is an uncommon medical problem characterized by polyuria and excessive thirst. Diagnosis of DI may be overlooked in the setting of pregnancy, a time when increased water intake and urine output are commonly reported. We report two cases: one of transient DI in a young woman during her third trimester of twin pregnancy in association with acute fatty liver and hypertension and one of postpartum DI secondary to Sheehan syndrome from rupture of a splenic artery aneurysm. These cases illustrate the spectrum with which DI related to pregnancy and delivery can present and highlight the difficulty in making the diagnosis since the symptoms are often initially overlooked.