To the best of researchers knowledge this is the first trial to investigate the role of Celecoxib and oral Tramadol in reducing outpatient operative hysteroscopy associated pain, with no previous data to calculate the sample size with. Data from studies on diagnostic hysteroscopy cannot be applied because operative hysteroscopies need more manipulations and cause more pain. Assuming that the response will be normally distributed, the sample size is calculated to detect a mean difference of 1 unit between Tramadol and Celecoxib pain scores during the procedure (lower difference are not considered clinically relevant) using VAS assuming that the within group standard deviation will be 2. Investigators will need to study 64 cases in each group to be able to reject the null hypothesis that the population means of the Tramadol and Celecoxib are equal with probability (power) 0.8. Investigators added 6 cases to each arm accounting for any missing data and procedure failure ending in 70 cases in each group. The Type I error probability associated with this test of this null hypothesis is 0.05 using Student's t test for independent samples. Sample size calculation is done using Stats Direct statistical software version 2.7.2 for microsoft Windows, Stats Direct Ltd., Cheshire, UK.