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Overweight and obesity: a remaining problem in women treated for severe gestational diabetes
Univ Orebro, Sch Hlth & Med Sci, Dept Obstet & Gynaecol, Orebro, Sweden..
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Obstetrics and Gynaecology. Univ Orebro, Sch Hlth & Med Sci, Dept Obstet & Gynaecol, Orebro, Sweden.
Karolinska Inst, Dept Clin Epidemiol, Stockholm, Sweden..
Univ Orebro, Sch Hlth & Med Sci, Dept Obstet & Gynaecol, Orebro, Sweden..
2016 (English)In: Diabetic Medicine, ISSN 0742-3071, E-ISSN 1464-5491, Vol. 33, no 8, 1045-1051 p.Article in journal (Refereed) PublishedText
Abstract [en]

Aim: To analyse the impact of overweight and obesity on the risk of adverse maternal outcomes and fetal macrosomia in pregnancies of women treated for severe gestational diabetes.

Methods: This was a population-based cohort study including all singleton pregnancies in Sweden without pre-existing diabetes in the period 1998-2012. Only mothers with an early-pregnancy BMI of >= 18.5 kg/m(2) were included. Logistic regression analysis was used to determine odds ratios with 95% CIs for maternal outcomes and fetal growth. Analyses were stratified by maternal gestational diabetes/non-gestational diabetes to investigate the impact of overweight/obesity in each group.

Results: Of 1 249 908 singleton births, 13 057 were diagnosed with gestational diabetes (1.0%). Overweight/obesity had the same impact on the risks of caesarean section and fetal macrosomia in pregnancies with and without gestational diabetes, but the impact of maternal BMI on the risk of preeclampsia was less pronounced in women with gestational diabetes. Normal-weight women with gestational diabetes had an increased risk of caesarean section [odds ratio 1.26 (95% CI 1.16-1.37)], preeclampsia [odds ratio 2.03 (95% CI 1.71-2.41)] and large-for-gestational-age infants [odds ratio 2.25 (95% CI 2.06-2.46)]. Risks were similar in the overweight group without gestational diabetes, caesarean section [odds ratio 1.34 (1.33-1.36)], preeclampsia odds ratio [1.76 (95% CI 1.72-1.81)], large-for-gestational-age [odds ratio 1.76 (95% CI 1.74-1.79)].

Conclusions: Maternal overweight and obesity is associated with similar increments in risks of adverse maternal outcomes and delivery of large-for-gestational-age infants in women with and without gestational diabetes. Obese women with gestational diabetes are defined as a high-risk group. Normal-weight women with gestational diabetes have similar risks of adverse outcomes to overweight women without gestational diabetes.

Place, publisher, year, edition, pages
2016. Vol. 33, no 8, 1045-1051 p.
National Category
Endocrinology and Diabetes
Identifiers
URN: urn:nbn:se:uu:diva-301012DOI: 10.1111/dme.13156ISI: 000379936000005PubMedID: 27172974OAI: oai:DiVA.org:uu-301012DiVA: diva2:953461
Available from: 2016-08-17 Created: 2016-08-17 Last updated: 2016-08-17Bibliographically approved

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