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Updated: Jun 4, 2025
Establishment of an Experimental Mouse Model of Endometrioma to Study its Related Infertility
Published on: April 5, 2024
The relationship between blood lipids and endometriosis: a cross-sectional study from NHANES (1999-2006) and a
Dingchuan Peng1,2, Wei Zhong1,2, Yiran Wang1
1Department of Obstetrics and Gynecology, The Sixth Medical Center of PLA General Hospital, Beijing, China.
Objective:
Observational studies suggest a link between blood lipid levels and endometriosis risk, but clinical evidence is limited and causality has not been established. This study aims to clarify this relationship using NHANES data (1999-2006) and bidirectional Mendelian Randomization (MR) analysis.
Methods:
We analyzed NHANES data to explore the relationship between blood lipids and endometriosis risk using multivariable logistic regression, nonlinear testing, and trend analysis. For causal inference, MR was performed using GWAS data from the UK Biobank (lipid levels) and the Finnish Endometriosis Database (endometriosis).
Results:
In NHANES (n=2,201), elevated triglycerides (TG) were significantly associated with increased endometriosis risk (OR, 2.10; 95% CI, 1.00-3.49; p < 0.05). MR analysis confirmed this association (OR, 1.19; 95% CI, 1.07-1.32; p < 0.006) and suggested HDL may protect against endometriosis (OR, 0.79; 95% CI, 0.63-0.99; p < 0.05). Additionally, bidirectional MR indicated that endometriosis may also contribute to TG dysregulation (OR, 1.02; 95% CI, 1.01-1.03; p < 0.006).
Conclusion:
Our findings suggest that elevated TG levels may increase endometriosis risk, while HDL may provide a protective effect. These results offer new insights and may inform future management strategies for endometriosis. However, large-scale longitudinal studies are needed to further validate these associations.
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