Archer 2004.

Methods	Trial design: Randomised trial
Participants	Participants:  Mean age: Inclusion criteria: Premenopausal women (18–49 years) with laparoscopically diagnosed endometriosis Persistent, recurrent endometriosis‐associated symptoms for at least 3 months Exclusion criteria:  Setting: United States and Canada Timing: not stated
Interventions	DMPA‐SC 104 mg every 3 months  versus LA 11.25 mg given intramuscularly every 3 months
Outcomes	Relief of overall pain
Notes	Intention‐to‐treat analysis: yes Sample size calculation: not stated  Funding: not stated   This abstract did not contain enough information to make a proper decision about in‐/exclusion.