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Reference Values During Pregnancy


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17-hydroxyprogesterone (serum)

   Units Menstruating Female First Trimester Second Trimester Third Trimester
ng/dL 20 -100 (Follicular phase) 172 - 941 172 - 941 512 - 2772
100 - 250 (Mid-cycle peak)
100 - 500 (Luteal phase)

 

nmol/L 0.6 - 3 (Follicular phase) 5.2 - 28.5 5.2 - 28.5 15.5 - 84
3 - 7.5 (Mid-cycle peak)
3 - 15 (Luteal phase)

 


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
2.  Kratz A, Ferraro M, Sluss PM, Lewandrowski KB. Laboratory reference values. N Engl J Med. 2004;351(15):1548-15632. PMID:15470219

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