Endometriosis

Inclusion Criteria

- Women with endometriosis confirmed by laparoscopy or laparotomy within five years before the baseline visit
 - Good general health (except for findings related to endometriosis) as proven by medical history
 - Patient has experienced endometriosis symptoms (i.e. pain) in the past 4 weeks, as assessed by a numerical rating scale (NRS)

Exclusion Criteria

-  Any diseases or conditions that might interfere with the conduct of the study or the interpretation of the results
 - Undiagnosed abnormal genital bleeding 
 - Abuse of alcohol, drugs, or medicine (e.g., laxatives) 
 - Simultaneous participation in another clinical trial. Participation in another clinical trial prior to study entry that might have an impact on the study objectives, at the discretion of the investigator.
 - Major surgery scheduled for the study period, except therapeutic surgical procedure for endometriosis 
 - Close affiliation with the study site; e.g. a close relative of the investigator, dependent person (e.g. employee or student of study site) 
 - Inability to cooperate with the study procedures for any reason, including the following examples: language comprehension, psychiatric illness, inability to get to the study site
 - Previous enrollment to this study
 - Regular use of pain medication due to other underlying diseases
 - Known pregnancy