IRCT20170917036227N5 IRCT 2020-12-16 Tehran University of Medical Sciences Comparison of Dienogest with medroxyprogesterone acetate in the treatment of pelvic pain and recurrent endometriosis Comparison of the effectiveness of Dienogest with medroxyprogesterone acetate in the treatment of pelvic pain and recurrence after laparoscopic surgery in patients with endometriosis 2020-12-21 anticipated 130 Complete https://irct.ir/trial/52134 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Block randomization method will be designed by an epidemiologist using STATA version 13 software. The size of blocks considered will be 4, Blinding description: The randomization list will be solely available to the epidemiologist. To hide the random allocation process, 130 card sequences of treatments will be written accordingly, and then the cards will be placed inside sealed envelopes. A 10-digit random code will be written on each packet as the patient's identification number. When the physician announces the eligibility of a patient, the nurse will provide the envelope and the type of treatment will be selected based on the type mentioned in the envelope. Data analysis will be performed by a statistician who is unaware of all processes performed. 3 Endometriosis. Intervention 1: Intervention group 1: Dienogest tablets will be taken daily for 3 months and then cyclically for the next 3 months (every month from day 10 of the cycle for 2 weeks). Intervention 2: Intervention group 2: Medroxyprogesterone acetate 10 mg twice daily for 3 months and then cyclically for the next 3 months (every month from day 10 of the cycle for 2 weeks). Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information