Association between endometriosis and risk of type 2 diabetes: Results from the prospective E3N cohort

Patricia Vaduva, Nasser Laouali, Guy Fagherazzi, Amandine Gelot, Fabrice Bonnet, Marina Kvaskoff*

*Corresponding author for this work

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1 Citation (Scopus)

Abstract

Objective: Several studies suggest an association between endometriosis and the risk of cardio-metabolic diseases. This study aimed to prospectively evaluate the association between history of endometriosis and incident type 2 diabetes. Study design: E3N is a prospective cohort of 98,995 French women aged 40–65 years at inclusion. Multivariable Cox regression models were used to estimate hazard ratios and 95 % confidence intervals for the association between endometriosis and incident type 2 diabetes. We evaluated effect modification by age, body mass index, infertility treatment, adherence to the Mediterranean diet, and menopausal status. Results: Age at inclusion was 51 ± 6 years and there were 2672 incident cases of type 2 diabetes. A total of 4606 women reported surgically-confirmed endometriosis among 83,582 women with no history of diabetes at inclusion. Endometriosis was not associated with type 2 diabetes risk in a model adjusted for age, BMI, physical activity, smoking, education, age at menarche and oral contraceptive use (hazard ratio [HR] = 1.09; 95 % confidence interval [CI] = 0.92–1.29), neither after further adjustment for family history of diabetes, hypertension and menopausal status (HR = 0.97;95%CI = 0.80–1.16). The relationship did not differ by age at inclusion, BMI, infertility treatment, diet or menopausal status (p > 0.05). Conclusions: Surgically-confirmed endometriosis was not associated with the risk of type 2 diabetes in this large cohort, confirming that endometriosis is not a risk marker for type 2 diabetes.

Original languageEnglish
Article number107805
JournalMaturitas
Volume177
Early online date28 Jul 2023
DOIs
Publication statusPublished - Nov 2023

Keywords

  • Endometriosis
  • Epidemiology
  • Incidence
  • Type 2 diabetes

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