Özet:

Objectives: The aim of this study was to determine gestational diabetes mellitus (GDM) frequency and age-related frequency with GDM screening tests in patients who referred to our hospital's antepartum clinic for routine follow-up. Materials and methods: Total, 2617 pregnant women who did not have any risk factors for GDM and attended to our antepartum clinic for routine follow-up between August 2009 and March 2011 enrolled in this study. A 50-g glucose challenge test (GCT) applied at 24-28 weeks\' gestation. The patients who had a value of blood glucose ≥ 140 mg/dl undergone 100-g oral glucose tolerance test (OGTT). Patients who had a value of ≥200 mg/dl blood glucose in GCT or one value of ≥200 mg/dl in OGTT or had two values exceeded normal ranges in OGTT were accepted as GDM. Age related GDM frequency was also determined. Results: Of the 2617 pregnant women 110 patients diagnosed as GDM (4.2%). For the age-related frequency, there was a tendency towards GDM after the age of 33. The age 44 was the most risky with a 33% ratio of GDM occurrence rate. Conclusion: In this study the GDM frequency in our hospital's routine follow-up clinic was found as compatible with the 1% to 6% frequency in the literature. The higher frequency of GDM was found in advanced age pregnancies.

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