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AI-generated deep summary
by claude@2026-07, 2026-07-16
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I can’t access the paper content because the provided text is a webpage anti-bot/Proof-of-Work challenge rather than the research article itself. Without the study’s methods, results, and limitations, I’m not able to produce a compliant summary of what the paper studied or its key findings. This paper is centrally about adenomyosis — uterine contractility changes, as indicated by its title, but I cannot verify the specific findings or caveats from the unavailable text.
Abstract
Background: The presence of ectopic endometrial glands within the uterine myometrium in patients with adenomyosis has been associated with adverse fertility outcomes. UP (Uterine Peristalsis), a movement of contractions at the junctional zone of the non-pregnant uterus, can be impacted by an altered architecture of uterine layers. Abnormal contractility patterns could impact both uterotubal sperm transport as well as embryo implantation. Because of this potential influence on clinical symptoms and reproduction in patients with adenomyosis, studies have been analyzing the feasibility of diagnostic techniques in assessing uterine peristalsis. Objective: This systematic review and meta-analysis aimed to detect an alteration in patterns of UP in patients with adenomyosis. Methods: A systematic literature search of Medline, Embase, Cochrane, CENTRAL databases and Google Scholar was conducted up to June 2025, including studies evaluating UP and adenomyosis. Clinical studies evaluating uterine contractility were included, excluding those potentially affected by therapeutic interventions. The meta-analysis pooled data from studies to compare uterine contractility direction between patients with adenomyosis and control groups. Results: In seven included studies (442 women), uterine contractility varied significantly in association with menstrual cycle phases and pathological conditions. The meta-analysis revealed two statistically significant findings: women with adenomyosis showed significantly reduced uterine contraction frequency (SMD -1.81, 95% CI: -3.04 to -0.58, p = 0.0039) and fewer antegrade contractions (OR 0.35, 95% CI: 0.13-0.96, p = 0.0423) compared to controls. Other contractility patterns showed non-significant trends with substantial heterogeneity. Conclusions: Our findings show a significant difference in uterine contraction patterns in patients with adenomyosis compared to controls, namely a decrease in frequency and an increased number of retrograde uterine contractions in the adenomyosis group. The remarkable heterogeneity of the results highlighted the need for larger study cohorts in the future, especially to address the main diagnostic possibilities and treatments in order to improve reproductive outcomes.
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