Multicenter Validation of the Salivary miRNA Signature of Endometriosis

Inclusion Criteria: * Patient aged between 18 and 43 years, * Patient having dated and signed the consent form, * Patient affiliated to the French health system, * Patient with pelvic MRI and/or pelvic ultrasound, * Patient from one of the 3 study populations: * Patient with a formal endometriosis diagnosed by clinical examination and imaging AND an indication for specialised endometriosis follow-up or medically assisted procreation (MAP) or surgery validated by RCP (in routine care); * Patient with suspected endometriosis for whom the diagnosis is the source of a discrepancy between clinical and radiological data AND a surgical indication validated by RCP (in routine care); * Patient with a gynaecological indication for surgery of the small pelvis by laparoscopy or laparoscopy validated in RCP (in routine care) AND symptoms suggestive of endometriosis (dysmenorrhoea, ....)(1). Exclusion Criteria: * Patient with recurrence of deep endometriosis (excluding endometrioma), * Patient with endometriosis of the torus and/or utero-sacral ligaments without indication for surgery, * Patient with parietal endometriosis alone without indication for surgery, * Patient with adenomyosis alone on imaging without indication for surgery, * Patient with gynaecological infection requiring surgical management, * Pregnant patient, * Patient infected with the human immunodeficiency virus (HIV), * Patient with significant difficulties in reading or writing the French language, * Patient with a personal history of cancer, * Patient unable to comply with study and/or follow-up procedures, * Patient who has objected to the collection of her data. * Patient participating in another clinical research study.