“…The knowledge acquisition of the families was established, in our study, as a tool to support decision-making, since this strategy is the most appropriate way for claiming and achieving a safer and more respectful delivery method within the Brazilian reality (7,12) . Other factors, such as education, socioeconomic conditions, life story, childbirth reports shared between generations (or childbirths experienced with family and friends), knowledge and stories about the conditions of childbirth assistance and access to information (13) , in addition to previous experiences, medical power and that of the own family's, lack of dialogue in prenatal care, interest, curiosity, and the cultural basis influence the choice of vaginal birth (14) .…”