• Deborah B Ehrenthal, Rebecca B McNeil, Emma G Crenshaw, Bairey MerzC NoelCNBarbra Streisand Women's Heart Center, Cedars-Sinai Smidt Heart Institute, Los Angeles, California, USA., William A Grobman, Corette B Parker, Philip Greenland, Victoria L Pemberton, Phyllis C Zee, Christina M Scifres, LuAnn Polito, and George Saade.
• Social Science Research Institute and Department of Biobehavioral Health, The Pennsylvania State University, University Park, Pennsylvania, USA.
• J Womens Health (Larchmt). 2023 Sep 1; 32 (9): 932941932-941.

AbstractBackground: Metabolic syndrome (MetS) is associated with a history of gestational diabetes (GDM), hypertensive disorders of pregnancy (HDP), and preterm birth (PTB), but it is unclear whether this association is due to the pregnancy complication(s) or prepregnancy/early pregnancy confounders. The study examines the association of GDM, HDP, and PTB with MetS 2-7 years later, independent of early pregnancy factors. Materials and Methods: Large, diverse cohort of nulliparous pregnant people with singleton gestations enrolled during their first trimester and who attended a follow-up study visit 2-7 years after delivery. The longitudinal cohort was recruited from eight medical centers across the United States. Using standardized protocols, anthropometry, biospecimens, and surveys were collected at study visits and pregnancy outcomes were abstracted from medical records. We estimated the relative risk of prevalent MetS at the follow-up study visit for participants with GDM, HDP, or PTB (vs. no complications), adjusting for early pregnancy age, body mass index, self-reported race/ethnicity, insurance type, and smoking status. Results: Of 4,402 participants, 738 (16.8%) had MetS at follow-up: 13.1% (441/3,365) among those with no complications, and 27.9% (290/1,002) among those with complications. MetS occurred in 39.0% of GDM (73/187, adjusted relative risk [aRR] = 1.75; 95% confidence interval [CI] 1.42-2.16); 29.2% of HDP (176/603, aRR = 1.49; 95% CI 1.27-1.75); and 29.7% of PTB (113/380, aRR = 1.78; 95% CI 1.49-2.12). Those who had both HDP and PTB (n = 113) had an aRR = 1.95 (95% CI 1.50-2.54). Conclusions: People whose pregnancies were complicated by GDM, HDP, or PTB are at a higher risk of MetS within 2-7 years after delivery, independent of early pregnancy risk factors. The highest MetS risk follows pregnancies complicated by both HDP and PTB.

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