IRCT20190929044920N1 IRCT 2019-12-07 Zahedan University of Medical Sciences The effect of vaginal hyoscine butyl bromide on cervical ripening before hysteroscopy Comparison the effect of vaginal hyoscine butyl bromide and vaginal misoprostol on cervical ripening before hysteroscopy 2019-10-23 anticipated 150 Complete https://irct.ir/trial/42934 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Diagnostic, Randomization description: Randomly blocked with 4 person blocks, Blinding description: Medicines will be coded A, B, and the patient and the clinical caregiver (patient physician) will not be informed of the patient's assignment to the study groups. So the study will be double-blind. 3 Condition 1: Uterine polyp. Condition 2: endometrial hyperplasia. Condition 3: Submucousal fibroid. Condition 4: Abnormal uterine bleeding. Condition 5: Noninflammatory disorder of uterus, unspecified. Condition 6: Patients who are candidates for hysteroscopy. Intervention 1: Hyosine Butyl Bromide Recipient: This drug will be given vaginally at a dose of 20 mg (2 tablets 10 mg) 4 hours before surgery. Intervention 2: Misoprostol recipient: This drug will be given vaginally at a dose of 200 μg 4 hours before surgery. 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 -