Tests to ascertain pregnancy status are often obtained during preoperative evaluation, especially when there is a history of uncertain pregnancy or suggestion of current pregnancy. A serum pregnancy test, a beta-human chorionic gonadotropin (β-HCG) level, was preoperatively obtained from a woman of childbearing age with end-stage renal disease (ESRD) with an unreliable history of irregular menstruation coupled with unprotected sexual activity. The β-HCG was elevated in the range indicating pregnancy. Further work-up showed that this hormonal elevation was secondary to ESRD without pregnancy. © 2009 Elsevier Inc. All rights reserved.
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