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Diabetes and onset of natural menopause: results from the European Prospective Investigation into Cancer and Nutrition
Utrecht, The Netherlands.
Utrecht, The Netherlands.
Utrecht, The Netherlands.
Copenhagen, Denmark .
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2015 (English)In: Human Reproduction, ISSN 0268-1161, E-ISSN 1460-2350, Vol. 30, no 6, 1491-1498 p.Article in journal (Refereed) Published
Abstract [en]

STUDY QUESTION: Do women who have diabetes before menopause have their menopause at an earlier age compared with women without diabetes? SUMMARY ANSWER: Although there was no overall association between diabetes and age at menopause, our study suggests that early-onset diabetes may accelerate menopause. WHAT IS KNOWN ALREADY: Today, more women of childbearing age are being diagnosed with diabetes, but little is known about the impact of diabetes on reproductive health. STUDY DESIGN, SIZE, DURATION: We investigated the impact of diabetes on age at natural menopause (ANM) in 258 898 women from the European Prospective Investigation into Cancer and Nutrition (EPIC), enrolled between 1992 and 2000. PARTICIPANTS/MATERIALS, SETTING, METHODS: Determinant and outcome information was obtained through questionnaires. Time-dependent Cox regression analyses were used to estimate the associations of diabetes and age at diabetes diagnosis with ANM, stratified by center and adjusted for age, smoking, reproductive and diabetes risk factors and with age from birth to menopause or censoring as the underlying time scale. MAIN RESULTS AND THE ROLE OF CHANCE: Overall, no association between diabetes and ANM was found (hazard ratio (HR) = 0.94; 95% confidence interval (CI) 0.89-1.01). However, women with diabetes before the age of 20 years had an earlier menopause (10-20 years: HR = 1.43; 95% CI 1.02-2.01, <10 years: HR = 1.59; 95% CI 1.03-2.43) compared with non-diabetic women, whereas women with diabetes at age 50 years and older had a later menopause (HR = 0.81; 95% CI 0.70-0.95). None of the other age groups were associated with ANM. LIMITATIONS, REASONS FOR CAUTION: Strengths of the study include the large sample size and the broad set of potential confounders measured. However, results may have been underestimated due to survival bias. We cannot be sure about the sequence of the events in women with a late age at diabetes, as both events then occur in a short period. We could not distinguish between type 1 and type 2 diabetes. WIDER IMPLICATIONS OF THE FINDINGS: Based on the literature, an accelerating effect of early-onset diabetes on ANM might be plausible. A delaying effect of late-onset diabetes on ANM has not been reported before, and is not in agreement with recent studies suggesting the opposite association.

Place, publisher, year, edition, pages
Oxford University Press, 2015. Vol. 30, no 6, 1491-1498 p.
Keyword [en]
age at natural menopause, diabetes, time-dependent modeling, cox proportional hazards analyses
National Category
Medical and Health Sciences
URN: urn:nbn:se:umu:diva-106797DOI: 10.1093/humrep/dev054ISI: 000358015200024PubMedID: 25779698OAI: diva2:846163
Available from: 2015-08-14 Created: 2015-08-07 Last updated: 2015-08-14Bibliographically approved

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Lukanova, AnnekatrinRolandsson, OlovFranks, Paul
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