Helium thermocoagulation versus electrodiathermy for endometriosis

INTERVENTION: 1. Laparoscopic ablation/excision of mild to moderate endometriosis with a helium thermal coagulator 2. Laparoscopic ablation/excision of mild to moderate endometriosis with electrodiathermy Both arms will have a follow‐up schedule of 6 weeks, 3 months and 9 months. CONDITION: Topic: Reproductive Health and Childb; Subtopic: Reproductive Health and Childb (all Subtopics); Disease: Reproductive Health & Childbirth ; Urological and Genital Diseases ; Endometriosis, unspecified PRIMARY OUTCOME: Pelvic Pain ‐ VAS scores; Timepoint(s): 3 months SECONDARY OUTCOME: Intra‐operative and post‐operative complication and pregnancy rates in patients with associated subfertility. This is assessed by Quality of Life pre‐ and post‐operatively at all follow‐up visits with the Endometriosis Health Profile (EHP) 30. INCLUSION CRITERIA: 1. Patients aged between 16 and 50 years with pelvic pain (with or without associated dyspareunia or dysmenorrhea) 2. A clinical diagnosis of mild or moderate endometriosis