Subject and method: A randomized controlled trial of 120 parturients who were divided into two groups: The research group: Women were undergone paracervical block with 10ml of bupivacaine 0.25% and the control group: Women time from 4 - 5 cm to 10 cm was 130.7 ± 43.2 minutes which was significantly lower than control group (270.6 ± 70.3 minutes).