HealthDay News — Only about 60% of women with newly diagnosed gestational diabetes mellitus (GDM) perform ≥80% of required self-monitoring of blood glucose (SMBG) tests, according to a study published in Diabetes Care.

Emmanuel Cosson, MD, PhD, from the Université Paris, and colleagues analyzed pregnancy outcomes for French-speaking women, selected prospectively, with newly diagnosed GDM who were referred to a diabetes management program and understood the principles of SMBG.

Data were analyzed for 91 women over 13 ± 3 days. The researchers found that, overall, 61.5% of the women had performed ≥80% of the required tests. 

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There was an association for poor compliance with family history of diabetes, social deprivation, and non-European origin. There was an average of 141 ± 20 minutes between pre- and post-prandial tests; 46.5% of women performed ≥80% of post-prandial measures at 100 to 140 minutes after meals. Ethnicity and higher hemoglobin A1c (HbA1c) at baseline correlated with inadequate timing. There was a correlation for poor adherence with higher likelihood of preeclampsia; inadequate post-prandial test timing correlated with higher HbA1c at delivery, regardless of more frequent insulin therapy.

“Although women with GDM are considered to be highly motivated, SMBG adherence and reliability are of concern and may be associated with poor gestational prognosis, suggesting that caregivers should systematically check the glucose meter memory to improve GDM management,” the authors write.

Roche Diagnostics provided funding for the study.

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Cosson E, Bax B, Gary F, et al. Poor reliability and poor adherence to self-monitoring of blood glucose are common in women with gestational diabetes mellitus and may be associated with poor pregnancy outcomes [published online July 19, 2017]. Diabetes Care. doi: 10.2337/dc17-0369.