Jamie L. Benham MD, PhD, Sheldon Cannon MD, Kianna Cadogan MD, Hannah C. Botkin BSc, Samin Dolatabadi MD, Lenka Stafl MD, Jennifer M. Yamamoto MD, MSc
{"title":"Maternal and Neonatal Outcomes for Pregnancies Complicated by Type 2 Diabetes and Polycystic Ovary Syndrome","authors":"Jamie L. Benham MD, PhD, Sheldon Cannon MD, Kianna Cadogan MD, Hannah C. Botkin BSc, Samin Dolatabadi MD, Lenka Stafl MD, Jennifer M. Yamamoto MD, MSc","doi":"10.1016/j.jcjd.2026.03.003","DOIUrl":null,"url":null,"abstract":"<div><h3>Objectives</h3><div>Our aim in this study was to determine the prevalence of polycystic ovary syndrome (PCOS) among pregnancies affected by type 2 diabetes (T2D) and explore its relationship with maternal and neonatal outcomes.</div></div><div><h3>Methods</h3><div>Pregnancies affected by T2D from the Calgary Diabetes in Pregnancy program from 2008 to 2020 were chart reviewed for presence of PCOS, using logistic regression to examine associations between PCOS and maternal and neonatal outcomes.</div></div><div><h3>Results</h3><div>The prevalence of PCOS in pregnancies affected by T2D was 134 of 897 (14.9%). Compared with pregnancies affected by T2D alone, pregnancies affected by PCOS and T2D had higher odds of nulliparity (odds ratio [OR] 2.09, 95% confidence interval [CI] 1.44 to 3.02), prepregnancy weight ≥91 kg (OR 1.79, 95% CI 1.23, 2.60), preconception care (OR 2.79, 95% CI 1.77 to 4.40), and metformin use (OR 2.01, 95% CI 1.37 to 2.93). They also had lower odds of maternal age ≥35 years (OR 0.68, 95% CI 0.46 to 0.99), singleton pregnancy (OR 0.29, 95% CI 0.11 to 0.75), and insulin use (OR 0.60, 95% CI 0.39 to 0.93). There were no statistically significant differences between groups for neonatal outcomes.</div></div><div><h3>Conclusions</h3><div>The prevalence of PCOS among our cohort of pregnant women with T2D was lower than the reported prevalence of PCOS among women with T2D, perhaps reflecting the subfertility PCOS can confer. This may also explain the association with PCOS and nulliparity. People with PCOS were also more likely to receive preconception care and metformin treatment.</div></div>","PeriodicalId":9565,"journal":{"name":"Canadian Journal of Diabetes","volume":"50 5","pages":"Pages 296-301.e1"},"PeriodicalIF":2.7000,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Canadian Journal of Diabetes","FirstCategoryId":"3","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1499267126000456","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2026/3/18 0:00:00","PubModel":"Epub","JCR":"Q3","JCRName":"ENDOCRINOLOGY & METABOLISM","Score":null,"Total":0}
引用次数: 0
Abstract
Objectives
Our aim in this study was to determine the prevalence of polycystic ovary syndrome (PCOS) among pregnancies affected by type 2 diabetes (T2D) and explore its relationship with maternal and neonatal outcomes.
Methods
Pregnancies affected by T2D from the Calgary Diabetes in Pregnancy program from 2008 to 2020 were chart reviewed for presence of PCOS, using logistic regression to examine associations between PCOS and maternal and neonatal outcomes.
Results
The prevalence of PCOS in pregnancies affected by T2D was 134 of 897 (14.9%). Compared with pregnancies affected by T2D alone, pregnancies affected by PCOS and T2D had higher odds of nulliparity (odds ratio [OR] 2.09, 95% confidence interval [CI] 1.44 to 3.02), prepregnancy weight ≥91 kg (OR 1.79, 95% CI 1.23, 2.60), preconception care (OR 2.79, 95% CI 1.77 to 4.40), and metformin use (OR 2.01, 95% CI 1.37 to 2.93). They also had lower odds of maternal age ≥35 years (OR 0.68, 95% CI 0.46 to 0.99), singleton pregnancy (OR 0.29, 95% CI 0.11 to 0.75), and insulin use (OR 0.60, 95% CI 0.39 to 0.93). There were no statistically significant differences between groups for neonatal outcomes.
Conclusions
The prevalence of PCOS among our cohort of pregnant women with T2D was lower than the reported prevalence of PCOS among women with T2D, perhaps reflecting the subfertility PCOS can confer. This may also explain the association with PCOS and nulliparity. People with PCOS were also more likely to receive preconception care and metformin treatment.
期刊介绍:
The Canadian Journal of Diabetes is Canada''s only diabetes-oriented, peer-reviewed, interdisciplinary journal for diabetes health-care professionals.
Published bimonthly, the Canadian Journal of Diabetes contains original articles; reviews; case reports; shorter articles such as Perspectives in Practice, Practical Diabetes and Innovations in Diabetes Care; Diabetes Dilemmas and Letters to the Editor.