Objective: to discuss the use of non-invasive care technologies by nurse-midwives in a high-risk maternity hospital. Method: a descriptive and qualitative study with ten nurse-midwives who work at the obstetric center of a high-risk maternity at a university hospital in Rio de Janeiro City. Data collection took place in June and July 2017, through a semi-structured interview. The material was submitted to content analysis. Results: The participants use non-invasive care technologies from the perspective of health work technologies and demedicalization, setting up a care process centered on sensitive work and soft technologies. Thus, they shift the focus away from interventionist procedures and develop a care based on human relationships, integrality and female protagonism. Conclusion: with these technologies, nurse-midwives perform a new way of caring in high-risk maternity hospitals, contributing to the humanization of care and rearrangement of these fields. Implications for the practice: the use of these technologies drives the change of the care model by focusing on sensitive work and soft technologies instead of rough work and procedural hegemony.

Objective: to know nurse-midwives’ perceptions about factors related with the use of non-invasive care technologies in the care of high-risk parturient women. Methods: qualitative study, with 10 nurse-midwives from the obstetric center of a high-risk maternity hospital in a university hospital. Data were collected by semi-structured interviews and subjected to content analysis. Results: prenatal care with a focus on female autonomy, the availability of specific materials and the sector’s infrastructure are facilitating factors. Work overload, the devaluation of nurse-midwives’ knowledge by some medical professionals and the lack of institutional support for teamwork are limiting factors. Conclusion: the factors referred to show the need to boost collaborative work in assisting high obstetric risk, encourage the use of non-invasive care technologies and improve nurses’ working conditions.

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