ArticleObesity surgery2026
Obstetric and Neonatal Outcomes After Bariatric Surgery in Women with Persistent, Remitted, and Without Preoperative type 2 Diabetes Mellitus: Results From the MOMBARIS 2 -Polish Multicenter Cohort Study.
Article in Obesity surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionMetabolic and bariatric surgery (MBS) improves long-term metabolic health and fertility in women with severe obesity. However, the extent to which preoperative type 2 diabetes mellitus (T2DM) continues to influence pregnancy outcomes remains unclear. Study aimed to evaluate obstetric and neonatal outcomes depending on T2DM status.
methodsThis retrospective cohort study included 156 women who conceived after MBS (2015–2024) across 11 Polish bariatric centers. Participants were stratified into three groups: persistent T2DM (PD), T2DM remission (RD), and no preoperative T2DM (CG). Metabolic, obstetric, and neonatal outcomes were compared between groups using appropriate statistical tests.
resultsAmong 37 women with preoperative T2DM, 19 achieved remission and 18 had persistent T2DM after MBS. Patients with persistent diabetes had significantly higher preoperative and pregnancy body mass index, a higher prevalence of hypertension, and less cardiometabolic improvement compared with women with diabetes remission and controls. Women who achieved diabetes remission demonstrated the greatest postoperative weight loss; however, gestational diabetes developed in 52.6% of pregnancies in this group. Hypertensive disorders of pregnancy were most frequent among women with persistent diabetes (33.3%), whereas preeclampsia occurred exclusively in the remission group (21.1%). Cesarean delivery rates were highest in the persistent diabetes group (88%). Neonatal outcomes were largely comparable across groups, although congenital anomalies were more frequent in women with persistent diabetes than in controls (11.1% vs. 2.5%).
conclusionPersistent T2DM confers increased risk of hypertensive disorders and congenital anomalies, while remission improves metabolic health yet does not eliminate susceptibility to gestational diabetes or preeclampsia.
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