Data collection tools
labor pain
The data were collected using the socio-demographic and obstetric characteristics questionnaire, Childbirth Experience Questionnaire version 2 (CEQ2), and Visual Analogue Scale (VAS) for labor pain. The socio-demographic and obstetric characteristics questionnaire was complete before intervention in both group.The intensity of labor pain was measured using Visual Analog Scale (VAS) in the active phase of labor at 8 cm dilatation and the childbirth experience questionnaire was completed by interview after childbirth.