IRCT2014091619197N1 IRCT 2014-10-29 Investigator Clinical trials of Comparison the effect of two methods, patient controlled analgesia and non steroidal anti inflammatory drugs after elective cesarean section - Clinical trials of Comparison the effect of two methods, patient controlled analgesia and non steroidal anti inflammatory drugs after elective cesarean section 2014-08-28 anticipated 100 Complete https://irct.ir/trial/17234 interventional Randomization: Not randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Health service research, Other design features: The design of this study has not been randomly. 2-3 postoperative pain. Intervention 1: In the intervention group, namely injection by pump, analgesic pump contains 20 milligrams Morphine, which is diluted with normal saline to a volume of 100 cc. were injected by the patients at injection speeds of 8cc. They were instructed to press the infusion button to receive more medication as soon as feeling of pain started. By pressing the button, each time patient receives 0.5 cc serum-containing analgesics. Intervention 2: In the control group, whenever there analgesics were needed 100 milligrams Diclofenac was injected intramuscularly or Diclofenac suppository was used in turn (according to the available protocols).