期刊
ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA
卷 95, 期 1, 页码 93-97出版社
WILEY
DOI: 10.1111/aogs.12784
关键词
Gestational diabetes mellitus; glycosylated haemoglobin; HbA1c; high-risk pregnancy; oral glucose tolerance test
IntroductionOur aim was to investigate the prognostic value of first-trimester glycosylated hemoglobin (HbA1c) in pregnant women with risk factors for developing gestational diabetes mellitus (GDM). Material and methodsThis is an observational retrospective cohort study conducted at the Department of Obstetrics and Gynecology, University Hospital Bern, Switzerland. We included pregnant women at high risk for GDM (n = 208), who had an HbA1c measurement in the first trimester. We compared HbA1c values of women who later developed GDM with those who did not develop GDM. Diagnosis of GDM was made on the basis of a 75-g oral glucose tolerance test performed between 24 and 28 weeks of gestation. We further examined the prevalence of GDM in relation to the first-trimester HbA1c value. ResultsThe prevalence of GDM in our high-risk group was 14.7%. Women who developed GDM had significantly higher first-trimester HbA1c values [5.43 0.31% (36 +/- 3 mmol/mol) vs. 5.23 +/- 0.28% (34 +/- 3 mmol/mol); p = 0.0026]. Moreover, all pregnant women with HbA1c 6.0% (42 mmol/mol) developed GDM, whereas those with <4.5% (26 mmol/mol) did not. ConclusionsWomen at risk for GDM have higher first-trimester HbA1c levels and values 6.0% (42 mmol/mol) are predictive of GDM. This information may be useful for counseling these women and providing appropriate advice on diet and lifestyle modification early in pregnancy.
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