Researchers say they have made a “breakthrough” that could change how endometriosis is diagnosed, according to reports from multiple UK outlets. The articles note that endometriosis affects around one in 10 women of reproductive age in the country, and that diagnosis can be difficult and delayed under current medical practice. While the coverage agrees on the potential significance of the new finding, it does not present shared detailed results in the provided excerpts, such as what diagnostic method is being developed, how it works, or what accuracy and timeline researchers expect. The reporting frames the discovery as promising for earlier and more reliable identification of the condition. Overall, the sources align on the broad claim that the research could transform endometriosis diagnosis, and they highlight the scale of the condition in the UK as the main context for why improvements in diagnosis could matter for patients. Additional specifics such as study design, sample size, and regulatory or clinical rollout steps are not included in the supplied text.