Objectives: Evaluating the effects of performing Low-level Laser application on pain relief and abdominal scar formation in cesarean section incision.

Materials and Methods: The present study is a prospective Trial, which has covered 65 patients who were referred to Amiralmomenin Hospital of Semnan University of Medical Sciences for their first cesarean section. They divided into two groups and after randomization process, Low-level Laser therapy used in intervention group. Scar formation and level of pain in the incision site, were evaluated after Low-level Laser imitation on 1,3,5 and 7 days of post-partum period.for scoring of the scar appearance and pain, we used two scoring methods, Vancouver visual scale and Visual analog scale.

Result:A significant difference was found statistically between the two groups in pain score on 5^th and 10^th day of post-partum period(P=0.000) and patients in intervention group had lower compliant of pain; while no significant difference was discovered between the two groups in Vancouver scale score which used for scar formation in cesarean section incision.

Conclusion:Although pain reducing is one of the most important complaints which patients suffer during post-surgery period although it is not all the things.by using this protocol our study couldn’t prove the prophylactic role of Low Level Laser intervention on abdominal scar growth which is another important point cosmetically. More studies might prove the best protocol in the future, preventing scare formation with higher scale scores in addition to reducing pain.