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Objective: To determine the prevalence of gestational diabetes mellitus (GDM) diagnosed with International Association of the Diabetes and Pregnancy Study Groups (IADPSG) criteria and identify risk factors of GDM in pregnant women who attended antenatal clinic at Phramongkutklao Hospital.
Materials and methods: This was a descriptive study. Pregnant women who underwent antenatal visit at Phramongkutklao Hospital from December 2013 to September 2014 were enrolled and universal screening for GDM was done. After exclude multi-fetal pregnancy and overt DM, the remaining subjects were reviewed for age, gravida, parity, gestational age at screening, expected date of confinement (EDC), known risk factors of GDM, past and personal histories. A 2-hours 75 gm oral glucose tolerance test (75-gm OGTT) was performed. Outcome was the prevalence of pregnant women with GDM and risk factor for GDM among selected population.
Results: Three hundred and twenty- five pregnant women were included. Mean age was 29.72 years old. One hundred and eight women was in high risk group (33.23 %), 193 (59.38 %) and 24 (7.39 %) women were identified in average and low risk group, respectively. The prevalence of GDM was 21.8%, which is comparable to reported range from previous studies. Risk factors associated with GDM was age ≥ 35 years.
Conclusion: The prevalence of pregnant women with GDM in antenatal clinic at Phramongkutklao Hospital diagnosed with IADPSG criteria was 21.8% and the risk factor for GDM was age ≥ 35 years.