IRCT20120215009014N256 IRCT 2019-01-06 Hamedan University of Medical Sciences Comparison of the effects of epidural and spinal anesthesia on the neonate blood gas born through normal delivery Comparison of the effects of epidural and spinal anesthesia on the neonate blood gas born through normal delivery: a randomized clinical trial 2018-11-06 anticipated 90 Complete https://irct.ir/trial/36287 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: The patients will be randomly assigned to intervention and control groups using block randomization. For this purpose, we will prepare six sheets of paper, writing on every two sheets the name of each treatment. The paper sheets will be pooled, placed in a container, and randomly drawn one at a time for each patient without replacement until all six sheets are drawn. The six paper sheets will be then placed back into the container, and this action repeated until the sample size is reached. N/A Birth asphyxia. Intervention 1: Intervention group: Epidural anesthesia with Bupivacaine 25% single dose. Intervention 2: Control group: Spinal anesthesia with Bupivacaine 25% single dose. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is It depends on the situations and the results of the study as well as approval of the financial supporting organization.