ArticleInternational journal of women's health2025
Effect of Dietary Magnesium on the Association Between Serum Uric Acid and Female Infertility.
Article in International journal of women's health, 2025. 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
Background: Few studies have evaluated the correlation between serum uric acid (SUA) levels and the prevalence of female infertility in the general population, and the effect of magnesium intake on this correlation has not been investigated. Methods: All participants aged 18-45 years at baseline were enrolled from the National Health and Nutritional Examination Surveys (NHANES) 2013-2018. The continuous variable of SUA was divided into quartile (Q1: ≤3.7 mg/dL, Q2: 3.7-4.4 mg/dL, Q3: 4.4-5.1 mg/dL, Q4: ≥5.1 mg/dL). Multivariable logistic regression was used to estimate odds ratios (OR) and 95% confidence intervals (CI). Dietary magnesium was divided into two groups based on the median number of participants (low magnesium intake, <243 mg/day; high magnesium intake, ≥243 mg/day). Results: A total of 3185 female participants were included in the final analysis, 10.58% of whom were infertile. In the full adjustment model, SUA was positively associated with female infertility (OR=1.13, 95% CI: 1.01-1.27). Compared to the lowest quartile (Q1), female participants with the highest SUA levels (Q4) had an increased risk of infertility by 62% (OR=1.62, 95% CI: 1.1-2.4). Moreover, we found an interactive effect of magnesium intake on the association between SUA and infertility in adjusted models (interaction likelihood ratio test: P=0.029), implying that high magnesium intake may ameliorate the association between SUA and female infertility. Conclusion: This study is the first to report an interactive effect of dietary magnesium intake on the relationship between SUA and female infertility.
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