International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) logo International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)
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The International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) is a Federation composed of national associations of bariatric surgeons and Integrated Health professionals.

IFSO is a scientific organization that brings together surgeons and integrated health professionals, such as nurse, practitioners, dieticians, nutritionists, psychologists, internists and anesthesiologists, involved in the treatment of morbidly obese patients.
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IFSO Congress - Santiago 2025
28th World Congress of International Federation for the Surgery of Obesity and Metabolic Disorders
9/9/2025 - 9/12/2025
IFSO EC 2026 Malaga
14th Congress of the International Federation for the Surgery of Obesity (IFSO) European Chapter
5/6/2026 - 5/9/2026
IFSO Congress 2026 - Toronto
29th World Congress of International Federation for the Surgery of Obesity and Metabolic Disorders
9/1/2026 - 9/4/2026
IFSO EC 2027
15th Congress of the International Federation for the Surgery of Obesity (IFSO) European Chapter
Dates: TBD
IFSO Congress 2027 - Paris
30th World Congress of International Federation for the Surgery of Obesity and Metabolic Disorders
8/24/2027 - 8/27/2027



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