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子宫腺肌病/子宫内膜异位症与不良妊娠结局之间的遗传因果关联:一项双样本孟德尔随机化研究

 

Authors Wang J, Wang L, Wang X, Ai A, Qiao P

Received 22 September 2025

Accepted for publication 1 January 2026

Published 14 January 2026 Volume 2026:18 569458

DOI https://doi.org/10.2147/IJWH.S569458

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Vinay Kumar

Jingyun Wang,1,* Lu Wang,1,* Xiaohui Wang,1 Ai Ai,1 Ping Qiao2 

1Department of Reproductive Medicine, Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, 200092, People’s Republic of China; 2Department of Obstetrics, Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, 200092, People’s Republic of China

*These authors contributed equally to this work

Correspondence: Ping Qiao, Email qiaoping@51mch.com Ai Ai, Email aiaiyfy@51mch.com

Purpose: Observational studies have indicated a potential link between adenomyosis/endometriosis and adverse pregnancy outcomes (APOs), yet the potential relationship remains uncertain.
Patients and Methods: This study investigates whether genetically predicted adenomyosis/endometriosis influences APOs through a two-sample Mendelian randomization (MR) analysis, utilizing summary statistics from genome-wide association studies (GWAS). The primary analytical method employed was the inverse-variance weighted (IVW) approach, alongside supplementary techniques including weighted median, MR Egger regression, and weighted mode. Sensitivity analyses, such as Cochran’s Q test, the MR-Egger intercept test, the MR-PRESSO (Pleiotropy RESidual Sum and Outlier) test, and a leave-one-out analysis, were conducted to ensure result robustness.
Results: Results from the IVW method indicate that endometriosis may pose a risk factor for multiple consecutive miscarriage (OR = 1.07, 95% CI: 1.00– 1.14, P = 0.05). No significant associations were noted between adenomyosis and preterm birth (OR = 0.92, 95% CI: 0.75– 1.11, P = 0.38), birth weight (OR = 1.02, 95% CI: 0.96– 1.10, P = 0.50), or other APOs. The MR-Egger regression suggested no horizontal pleiotropy, while the MR-PRESSO test identified outliers concerning birth weight but did not reveal significant associations. Leave-one-out analysis corroborated the robustness of the findings.
Conclusion: This study provides evidence of a potential relationship between endometriosis and multiple consecutive miscarriage, emphasizing the importance of addressing comorbidities and making informed pregnancy decisions in the presence of endometriosis.

Keywords: endometriosis, adenomyosis, adverse pregnancy outcomes, pregnancy loss, genetic variant, mendelian randomization, causal association