Intraoperative pain assessment will be based on:~Hemodynamic vital (SBP, DBP. MAP and HR) increase 20% from the baseline will be observed and assumed pain.~Postoperative pain assessment will be based on:~Mean Pain score :Visual analogue pain scale (VAS) of 0-10 cms will be used to assess the pain at the end of the procedure.~Diagnostic hysteroscopy:~Patients presenting with abnormal premenopausal or postmenopausal uterine bleeding, pain, infertility, intrauterine adhesions, endometrial biopsy, foreign body.~Therapeutic hysteroscopy:~To remove IUD, uterine polyps, fibroid, foreign body and submucosal fibroids, sterilization.
Objective of study:~To compare the efficacy of intravenous paracetamol and fentanyl for intra-operative and post-operative pain relief in patients undergoing diagnostic and therapeutic hysteroscopy.~Hypothesis of study:~There is no difference in pain control between intravenous fentanyl and paracetamol in patients undergoing hysteroscopy.