What are characteristics of proteinuria in preeclampsia?

Updated: Nov 29, 2018
  • Author: Kee-Hak Lim, MD; Chief Editor: Ronald M Ramus, MD  more...
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Proteinuria is defined as the presence of at least 300 mg of protein in a 24-hour urine collection, a protein (mg/dL)/creatinine (mg/dL) ratio greater than or equal to 0.3, or a urine dipstick protein of 1+ (if a quantitative measurement is unavailable). [14] Serial confirmations 6 hours apart increase the predictive value. Although more convenient, a urine dipstick value of 1+ or more (30 mg/dL) is not reliable in the diagnosis of proteinuria.

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