• Saleem A Alsaedi, Abdullah A Altalhi, Mutaz F Nabrawi, Abdulrahman A Aldainy, and Razaz M Wali.
• College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Kingdom of Saudi Arabia. E-mail. saleem1416.ios@gmail.com.
• Saudi Med J. 2020 Feb 1; 41 (2): 144-150.

ObjectivesTo measure the prevalence of gestational diabetes mellitus (GDM) and its risk factors in Saudi Arabia, in comparison with developed and developing countries worldwide.  Methods: We enrolled pregnant women aged 15-45 years who visited 3 National Guard-Health Affairs' primary health care centers in Jeddah, Saudi Arabia between January 2017 and December 2017. We used stratified samples and computer-generated random numbers to collect data. This data includes demographics, obstetric history, blood pressure, non-fasting 1-hour glucose challenge test (GCT), 3-hour oral glucose tolerance test (OGTT), hemoglobin level, rubella immunization status, hepatitis B surface antigen status, urinalysis results, and labor, and delivery notes. We categorized the patients into 2 groups, GDM and non-GDM, based on GCT and OGTT. Results: We enrolled 347 women in the study (mean age, 28.8±6 years; range, 18-45 years). On GCT, 36.6% of women showed abnormal values and 6.9% exhibited diagnostic values. Oral glucose tolerance test indicated impairment in 18.7% of patients and a diagnostic finding in 15% of patients. Women diagnosed with GDM tended to be older and have greater body mass index (BMI) values. Conclusion: The prevalence of GDM in Saudi Arabia is high compared to other countries. Advanced maternal age and higher BMI values were associated with increased prevalence of GDM. Thus, early prevention and management of GDM is vital to minimize the risks to both the mother and fetus.

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