Dyspareunia and Central Sensitization

Inclusion Criteria: * Case: * Consented to participate in the Data Registry (H16-00264) prior to their physician appointment at the BC Women's Health Centre. * New or re-referred to the BC Women's Health Centre for Pelvic Pain and Endometriosis. * Endometriosis (previously surgically diagnosed, or current endometrioma, or current nodule) * Willing and committed to indicating pain scores and menstrual data on a REDCap survey every day for 6 weeks after the test date. * At least 18 years old * Control: * Reproductive aged female with no suspected or diagnosed endometriosis. * Have not experienced any sexual pain scores over 4/10 on a 11-point numeric rating scale, as determined on an online questionnaire prior to test day. * At least 18 years old Exclusion Criteria: \- Case and Control: * Fibromyalgia. * Severe and enduring psychological illness(es) affecting cognition (e.g., bipolar disorder, schizophrenia etc.). * Currently pregnant or breastfeeding. * Have a peripheral or central neurological disorder. * Have diabetes mellitus or neuropathic pain. * Do not speak English. * Have had previous physical trauma (ex. Surgery) to the test site(s) (deltoid muscle in the shoulder, and first dorsal interosseous muscle).