Journal of endocrinological investigation · 2026
Effect of breastfeeding on cardiometabolic risk in patients with polycystic ovary syndrome.
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Palomba Stefano, Seminara Giuseppe, Costanzi Flavia, Cannarella Rossella, Russo Tiziana, Signore Fabrizio, Sarica Martina, Calogero Aldo E, Caserta Donatella, Aversa Antonio
Аннотация
PURPOSE: This study investigated whether breastfeeding (BF) is associated with a reduction in persistent hypertension (PH) and glucose metabolism impairment in patients with polycystic ovary syndrome (PCOS) who experienced pregnancy-induced hypertension (PIH) and/or gestational diabetes mellitus (GDM).
METHODS: This secondary observational analysis utilized data from two prospective cohort studies involving 241 participants (101 PCOS patients; 140 controls) with a history of GDM and/or PIH. At 18 months post-delivery, patients underwent physical examinations, blood pressure monitoring, and biochemical assays, including oral glucose tolerance tests. Feeding practices were categorized as exclusive BF, partial BF, or formula feeding (FF).
RESULTS: Patients with PCOS demonstrated significantly shorter BF durations (9.6 ± 7.0 vs. 12.6 ± 5.9 months; P < 0.001) and lower exclusive BF rates (39.6% vs. 62.9%; P < 0.001) compared to controls. At 18 months, the composite cardiometabolic outcome prevalence was 55.4% in the PCOS group versus 11.4% in controls (P < 0.001). Multivariate analysis identified exclusive BF as a potent independent factor associated with a significantly lower risk (adjusted OR 0.14, 95% CI 0.05-0.38; P < 0.001) of cardiometabolic impairment.
CONCLUSION: Breastfeeding is associated with a significant reduction in long-term cardiometabolic risks in women with PCOS following complicated pregnancies. Supporting and optimizing lactation may represent a valuable non-pharmacological strategy to consider for this high-risk population.
METHODS: This secondary observational analysis utilized data from two prospective cohort studies involving 241 participants (101 PCOS patients; 140 controls) with a history of GDM and/or PIH. At 18 months post-delivery, patients underwent physical examinations, blood pressure monitoring, and biochemical assays, including oral glucose tolerance tests. Feeding practices were categorized as exclusive BF, partial BF, or formula feeding (FF).
RESULTS: Patients with PCOS demonstrated significantly shorter BF durations (9.6 ± 7.0 vs. 12.6 ± 5.9 months; P < 0.001) and lower exclusive BF rates (39.6% vs. 62.9%; P < 0.001) compared to controls. At 18 months, the composite cardiometabolic outcome prevalence was 55.4% in the PCOS group versus 11.4% in controls (P < 0.001). Multivariate analysis identified exclusive BF as a potent independent factor associated with a significantly lower risk (adjusted OR 0.14, 95% CI 0.05-0.38; P < 0.001) of cardiometabolic impairment.
CONCLUSION: Breastfeeding is associated with a significant reduction in long-term cardiometabolic risks in women with PCOS following complicated pregnancies. Supporting and optimizing lactation may represent a valuable non-pharmacological strategy to consider for this high-risk population.