Introduction: The labor pain is probably the most severe pain a mother experiences in her lifetime and is usually severe and prolonged in women with pregnancy, Aim: To evaluate the effects of labor epidural and spinal analgesia on the incidence of cesarean section in painless delivery. Methods: This randomized clinical trial was conducted on pregnant women aged 37-42 weeks of pregnancy. Female candidates for painless labor were divided into two groups: Epidural Analgesia (EA) and Spinal Analgesia (SA). Patients in the labor epidural group underwent analgesia using marcaine and fentanyl and after fully assuring the normal hemodynamic status of the mother and fetal hearth rate (FHR), labor spinal analgesia was used for other group. Results: The average age of mothers was 27.5 years, their mean gestational age was 39 weeks and their mean weight was determined to be 72 kg. Frequency of cesarean delivery in mothers was found as 12.9%. Significantly, the incidence of cesarean section in the labor epidural analgesia group was higher than the labor spinal analgesia group (P = 0.02). In addition, the mean second phase of delivery in the labor epidural analgesia group was significantly higher than the labor spinal analgesia group (P = 0.03). There was no significant in 1st and 5th min Apgar scores between groups in infants (8.6 and 9.6, respectively). Conclusion: Labor epidural analgesia and labor spinal analgesia result in a significant reduction in pain due to normal delivery. Due to the similarity of Apgar and arterial blood gas (ABG) in neonates, labor epidural analgesia may serve as an alternative in childbirth delivery.
Key words: Painless delivery, Cesarean section, Natural delivery, Spinal and epidural analgesia.
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