“…It is appropriate to say that the clash between care models is present in obstetric care, where the nurse performs care based on the principles of humanization, while the obstetrician tends to implement, historically, practical influences by the technocratic model to the care of women, thus perpetuating "delivery as the supremacy of the technique" 20:256 . This model sums up with the idea of "man controlling nature" 20 , thus, delivery is controlled by innumerable interventions in the woman's body, such as cesarean section, episiotomy, medicalization, among Obstacles to the nurse midwife's practice Amaral RCS, Alves VH, Pereira AV, Rodrigues DP, Silva LA, Marchiori GRS others 20 . And today there is a logic of decreasing unnecessary interventions in care for women, delivery and birth, as advocated by WHO 6,7 .…”