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Reference Values During Pregnancy


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Glucose, fasting (Plasma)

   Units Nonpregnant Adult First Trimester Second Trimester Third Trimester
mg/dL 75 - 99   -  75  -  80 71  - 77
mmol/L 4.2 - 5.5 - 4.2 - 4.4 4  - 4.3

Pregnant women with a fasting plasma glucose greater than or equal to 5.1 mmol/l (92 mg/dl) but less than 7.0 mmol/l (126 mg/dl) may be diagnosed with gestational diabetes (GDM).

A fasting plasma glucose greater than or equal to 7.0 mmol/l (126 mg/dl) identifies women with overt diabetes.


References:

1.  Kratz A, Ferraro M, Sluss PM, Lewandrowski KB. Laboratory reference values. N Engl J Med. 2004;351(15):1548-15632. PMID:15470219
2. Genuth S, et al.Follow-up report on the diagnosis of diabetes mellitus.  Expert Committee on the Diagnosis and Classification of Diabetes Mellitus.Diabetes Care. 2003 Nov;26(11):3160-7. PMID:14578255
3.Cousins L, Rigg L, Hollingsworth D, Brink G, Aurand J, Yen SS. The 24-hour excursion and diurnal rhythm of glucose, insulin, and C-peptide in normal pregnancy.Am J Obstet Gynecol. 1980 Feb 15;136(4):483-8. PMID:6986775

4.  International Association of Diabetes and Pregnancy Study Groups Consensus Panel.
Diabetes Care. 2010 Mar;33(3):676-82.  PMID: 20190296

 

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