Transcutaneous Electrical Nerve Stimulation for Endometriosis-related Chronic Pain

This study is testing whether Transcutaneous Electrical Nerve Stimulation (TENS) — a small device that sends gentle electrical pulses through the skin — can help reduce chronic pelvic pain caused by endometriosis. TENS is a non-invasive, drug-free pain relief method, and this study aims to see whether it can complement existing hormonal treatments for endometriosis-related pain. You may be eligible if: - You are a woman aged 18 or older - You have confirmed endometriosis (via laparoscopy or ultrasound) - You have had chronic endometriosis-related pain for more than 3 months - You are on a stable hormonal medication for endometriosis (unchanged for at least 3 months) - No gynecological surgery for endometriosis is planned in the next 7 months You may NOT be eligible if: - You do not understand or read Swedish - You have a pacemaker or other electronic implants - You have reduced sensation in the painful area - You have a terminal illness with expected survival under 12 months - You have alcohol or substance abuse issues - You have a serious untreated psychiatric illness - You are pregnant - You are using more than 90mg morphine equivalents per day Talk to your doctor to see if this trial is right for you.