Pilot Study to Characterize the Endometriosis Steroidome and Its Link to Endocrine Disruptors and Vaginal Dysbiosis

Inclusion Criteria: * Women aged 18 to 45 * Free, informed and written consent from the patient to participate in the study * Good understanding of the French language * Patient affiliated to or benefiting from a social security or similar scheme Specific inclusion criteria for each group: Group 1. Controls. * Women with no laparoscopically confirmed signs suggestive of deep endometriosis. * No clinico-biological criteria in favour of a diagnosis of endometriotic disease, nor any radiological signs (ultrasound or MRI) suggestive of endometriosis. Group 2. Cases of deep endometriosis. * Newly diagnosed women (less than 12 months). * Severe, deep endometriotic pathology with surgical indication (clinical examination, imaging tests, pre-operative findings). Exclusion Criteria: * Intercurrent diagnosis of pregnancy. * Presence of other hormone-dependent pathologies (e.g. breast cancer, PCOS). * Acute infection.