Quantitative study that aimed to analyze the practices developed in assisting the adolescent, from the account of health workers, in an Obstetric Center in a teaching hospital, based on the proposal of humanization of parturition of the Health Ministry. According to the workers, useful practices in assisting parturition, among them, orientations about relaxation techniques at parturition, improving the attachment between mother and child, are being carried out. However, the right to a companion has not been taken into account. The lithotomy position and standardization of trichotomy, episiotomy e amniotomy were registered. Medical records, among them partogram, anamnesis and physical and obstetric exam of the parturient, proved to the unsatisfactory. We conclude that, in the scenario investigated, are developed practices considered appropriate and inappropriate, showing the need to further encourage the use of procedures grounded in scientific evidence and inserted into the proposal to the humanization of birth.