ABSTRACT
Delivery is one of the greatest events in the life of a pregnant woman. Although it is considered to be a natural phenomenon, it is potentially dangerous. Entonox gas used for pain relief and is reasonably effective in labor analgesic practice. The purpose of this study was to compare the APGAR score of the neonates were born to mothers who treated with entonox gas with those who their mothers did not received this gas. In this semi-experimental study, 270 pregnant women hospitalized at the labor ward of Shahidan Mobini Hospital of Sabzavar were included using simple available sampling method. They were then separated into two groups, case and control, based on their specifications. The data gathering tool for this study was a questionnaire of [investigating the effect of entonox gas as a no-pain labor agent on Neonates' APGAR] which is individually filled out for each patient by obstetrician colleagues. The APGAR scores of infants were recorded at 1[st], 5[th], and 20[th] minutes. The statistical analysis of data was performed by t-test, Chi-Square and Fisher tests using SPSS software. That there were no significant differences between the two groups in terms of age, pregnancy period, and using labor induction. The APGAR scores of the case group at 1[st], 5[th], and 20[th] minutes postpartum were significantly higher than the control group [p< 0.05]. Regarding the importance of controlling pain during delivery and its effect on reducing the mother's stress, using of entonox gas can be a good option for relieving pain during delivery moreover, it can improve the APGAR score