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 Reference Values During Pregnancy

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Hematocrit (whole blood)

   Units Nonpregnant Adult First Trimester Second Trimester Third Trimester
% 35 - 44 31 - 41 30 - 39 28 - 40
Proportion
of 1.0		 0.35 -0.44 0.31 - 0.41 0.30 - 0.39 0.28 - 0.40

 

References:

1. Abbassi-Ghanavati M, Greer LG, Cunningham FG. Pregnancy and laboratory studies: a reference table for clinicians. Obstet Gynecol. 2009 Dec;114(6):1326-31. PMID:19935037
 

 

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