Celecoxib Versus Hyoscine Butyl-bromide in Reducing Pain Associated With IUD.

Inclusion Criteria: * Non-pregnant nulliparous and parous menstruating women. * Women who Did not receive any analgesics or misoprostol in the 24 hours prior to insertion. * Presenting for insertion of CuT380A intrauterine device. * the absence of contraindication for IUD insertion including positive cultures for gonorrhoea or chlamydia * the absence of sedative or long-acting narcotics use 48 h before IUD insertion * No history of severe mental stress in the past two months. Exclusion Criteria: * • Allergy to HYOSCINE BUTYLBROMIDE or celecoxib or contraindication to it as paralytic ileus, myasthenia gravis, pyloric stenosis and narrow-angle glaucoma. * Women who had been pregnant within the previous four weeks. * Women presenting for IUD removal and reinsertion * Any uterine abnormalities distorted uterine cavity as congenital anomalies, endometrial lesions, adenomyosis, and submucous myoma. * Enrollment in another study. * A psychological or neurological disorder associated with altered pain sensation. * a history of dysmenorrhea * a contraindication for IUD use such as a gynaecological malignancy, pelvic inflammatory disease or undiagnosed abnormal vaginal bleeding.