The sample used in this study was 18 people for a warm compress intervention group and 18 people for a cold compress intervention group. Thus, the overall sample required is 36 people. This study was carried out in MayJuly 2015 through several phases such as: preparation, implementation of research, and reporting the results.
An instrument used in data collection is Numeric Rating Scale (NRS), which serves to observe the level of perineal laceration pain. The instruments used have been