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Universal screening for gestational diabetes mellitus (GDM), detects more cases and improves maternal and offspring prognosis. Of all the screening tests, World Health Organization (WHO) procedure is simple and cost effective; the only disadvantage is that the pregnant woman has to come in the fasting state to undergo oral glucose tolerance test (OGTT). Hence, we undertook a study to elucidate a test that is casual and reliable to diagnose GDM. A total of 800 pregnant women underwent 75-g glucose challenge test (GCT) irrespective of the time of the last meal and their 2-h plasma glucose (PG) was estimated. They also underwent a 2-h 75-g OGTT recommended by WHO after 72 h. There was no statistically significant difference in the glycemic profile between GCT and WHO OGTT in the diagnosis of GDM. In conclusion, GCT performed irrespective of the last meal timing is a patient-friendly approach and causes least disturbance in the pregnant woman's routine activities.

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Women with gestational diabetes mellitus (GDM) are at an increased risk of developing diabetes in the future, as are their offspring. GDM is not only of clinical relevance, but is also an important public health issue. A community-based prospective study showed that the prevalence of GDM was 13.9%. We also observed that the frequency of GDM varied across urban, semi-urban, and rural areas. Based on multiple logistic regression analysis and taking the 3 areas into consideration, family history of diabetes, age greater than or equal to 25 years, and body mass index greater than or equal to 25 were found to have a significant independent association with GDM (P<0.001).

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