Glucose Intolerance in Pregnancy and Offspring Obesity in Late Adolescence

Cole D. Bendor, Aya Bardugo, Ran Shmuel Rotem, Estela Derazne, Hertzel C. Gerstein, Dorit Tzur, Orit Pinhas-Hamiel, Avishai M. Tsur, Tali Cukierman-Yaffe, Yael Lebenthal, Arnon Afek, Gabriel Chodick, Gilad Twig*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

OBJECTIVE Gestational hyperglycemia is associated with deleterious neonatal outcomes, but long-term risks for offspring obesity are less clear. We estimated the odds for offspring adolescent overweight and obesity among mothers with gestational glucose intolerance. RESEARCH DESIGN AND METHODS In a mother-offspring historical cohort, the Israel military conscription data set was linked to a large health maintenance organization. Included were women who were evaluated at adolescence and underwent two-step gestational diabetes screening (mean age, 31 years) with a 50-g glucose challenge test (GCT), fol-lowed by a 100-g oral glucose tolerance test (OGTT) if the result was abnormal. Glucose tolerance categories included gestational normoglycemia, abnormal GCT with normal OGTT, impaired glucose tolerance (IGT; one abnormal OGTT value), and gestational diabetes. The primary outcome was offspring overweight/obesity (BMI ‡85th percentile) at adolescence, measured prior to military conscription. Logistic regression models were applied. RESULTS Of 33,482 mother-offspring pairs, overweight and obesity were observed in 6,516 offspring. Across increasing categories of pregnancy glycemia, the propor-tions of offspring with adolescent overweight/obesity increased: normoglycemia, 19%; abnormal GCT with normal OGTT, 22%; gestational IGT, 24%; and gesta-tional diabetes, 25% (P < 0.0001). Corresponding odds ratios after adjustment for the mother’s late adolescent characteristics (sociodemographic confounders and BMI) and pregnancy age were 1.2 (95% CI 1.1–1.4), 1.3 (1.2–1.5), and 1.4 (1.3–1.6), respectively. Further adjustment for offspring birth weight percentile and sociodemographic variables did not materially change results. Associations were more pronounced with increasing obesity severity. CONCLUSIONS Gestational glucose intolerance, including categories not meeting the gestational diabetes threshold, was associated with increased odds for offspring over-weight/obesity at late adolescence.

Original languageEnglish
Pages (from-to)1540-1548
Number of pages9
JournalDiabetes Care
Volume45
Issue number7
DOIs
StatePublished - Jul 2022

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