Characterization of the groups (n = 63). São Paulo, SP, Brazil, 2019
CDG
DILATION, DILATION
CDG = Cervical Dilation GuideA total of 64 students were included and randomly assigned to the CDG (n = 32) and control (n = 32) groups; one participant from the Control Group was discontinued from the study 4.0 cm, 5.0 cm, 6.0 cm, 7.0 cm, and 8.0 cm); therefore, 441 tests were made.All 441 tests were divided (for the comparison) according to the groups: CDG (n = 224) and Control (n = 217). When the groups were compared for each cervical dilation, a significant difference was found for 1.5 cm, 7.0 cm and 8.0 cm 
