This study will evaluate whether the degree of central sensitization as measured by the questionnaire "central sensitization inventory CSI" is related to the outcome of surgical endometriosis treatment

Inclusion Criteria:

• Primary surgery because of pelvic/abdominal pain under suspected diagnosis of and with the aim to confirm endometriosis
• Elective abdominal surgery in women with pelvic/abdominal pain and confirmed endometriosis

Exclusion Criteria:

• Patient is unable to give consent
• Cognitive impairment
• Patient outcomes questionnaire is not available in a language that the patient knows.
• Secondary surgery due to complications
• Endometriosis Surgery due to infertility

patients scheduled for elective endometriosis surgery