How to Reduce Pain in Patients Undergoing Office Hysteroscopy.

Inclusion Criteria: * Patients indicated for diagnostic hysteroscopy including infertility, bleeding, suspected intrauterine pathologies (eg polypi, septae) * Reproductive age 20 - 40yrs. * Postmenstrual days from D-6 to D-11 of the cycle (except in irregular bleeding) Exclusion Criteria: * Menopausal and amenorrheic patients * Contraindication to office hysteroscopy such as:- pelvic inflammatory disease, marked cervical stenosis, pregnancy * Previous cervical surgery eg; cauterization and conization * Patients whose vaginoscopic approach will not be enough and where a tenaculum will be used. * Patients with peptic ulcers or other contraindications to HBB or celecoxib. * Patients who will have an office operative procedure will be excluded. * Patients who will refuse or ask to be excluded from the study after enrollment.