Prevalence of Gestational Diabetes Mellitus in Pregnant Women Referring to Gynecology and Obstetrics Clinics

Document Type : Original Article

Authors

1 Associate Professor of Endocrinology.Diabetes Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

2 Associate Professor of Gynecology.Depatrmentof Gynecology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

3 Medical Doctor. Diabetes Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

Abstract

Background & Objective: To determine the prevalence of gestational diabetes mellitus in pregnant women in Ahvaz
Subjects and Methods: In this study, 678 pregnant women who had referred to two gynecologic and obstetrics clinics were evaluated. Screening was performed with 50 gram oral glucose challenge test (GCT) with 140mg/dl cut-off point, and then a diagnostic 100g oral glucose tolerance test (OGTT) was done according to Carpenter and Coustan criteria.
Results: The prevalence of GDM and impaired glucose tolerance (IGT) were 7.4% and 4.3%, respectively. The mean age of patients with GDM (30.32±5.27 years) was obviously higher than that for healthy women (26.25±4.94 years) (p<0.001).The average number of pregnancies of patients with GDM (2.4±1.1) was obviously higher than that for healthy women (1.9±1.1) (p<0.003). There was a significant difference between the number of previous abortion in women with GDM (30%) and healthy women (13.85%) (p= 0.002). The occurrence of previous GDM in women with GDM (10%) was significantly higher than healthy women (33%) (p = 0.0001). The frequency of previous macrosomia in women with GDM (6%) and in women with IGT (10.34%) were significantly higher than healthy women (0.5%) (p= 0.003 and p< 0.001, respectively). There was no relationship between the prevalence of GDM and IGT with previous congenital abnormalities, previous still birth and number of parities. There was no relationship between the prevalence of IGT and the fallowing variables: the maternal age, number of pregnancies, previous abortion and previous GDM with prevalence of IGT.
Conclusion:GDM has high prevalence in Ahvaz  and  screening is recommended for all pregnant women.

Keywords


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