Mirena Intra-Uterine System: Does it Improve Long Term Symptoms in Women with Chronic Pelvic Pain and/or Endometriosis after Laparoscopy?

This study is testing whether inserting a Mirena intrauterine system (IUS) — a small hormonal device placed inside the uterus — after keyhole (laparoscopic) surgery helps reduce long-term pelvic pain and painful periods. Pelvic pain and period pain are very common in women and can significantly impact quality of life. Researchers want to see if the Mirena IUS can reduce these symptoms by at least half over 12 months following surgery. You may be eligible if: - You are a woman between 18 and 45 years of age - You have pelvic pain and/or painful periods (dysmenorrhoea) - You are scheduled for laparoscopic (keyhole) surgery to investigate or treat your pain You may NOT be eligible if: - You have an active pelvic infection (pelvic inflammatory disease) or a positive swab for chlamydia or gonorrhoea - You are breastfeeding - You are pregnant or planning to become pregnant within 12 months - You have previously had a hysterectomy - You have had hormonal treatment in the last 3 months - You have a known cancer or abnormal ovarian cysts (other than endometriotic cysts) Talk to your doctor about whether this trial might be right for you.