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Further, the need for episiotomy and assisted vaginal delivery was higher in the analgesia group than that in the non-analgesia group. Regarding neonatal outcomes, the neonatal hospitalization rate and incidence rate of umbilical cord blood pH less then 7.2 were higher in the analgesia group than those in the non-analgesia group. However, there were no significant between-group differences in the incidence rates of stained amniotic fluid, mild neonatal asphyxia, and severe perinatal asphyxia. CONCLUSION Patient-controlle