ABSTRACT Objective: To validate the content of the nursing diagnosis powerlessness in women during natural childbirth. Method: A nursing diagnosis content validation, in which 29 experts analyzed the definition of powerlessness and assessed the relevance of related factors, populations at risk, associated conditions and defining characteristics. These elements were considered relevant when the Content Validity Index was greater than or equal to 0.9. Results: Experts considered the definition resulting from the concept analysis more appropriate for the diagnosis under study. Regarding the assessment of diagnostic elements, 10 related factors, two populations at risk, three associated conditions and 10 defining characteristics were considered relevant. Conclusion: The new definition for powerlessness and 25 elements have been validated by experts. These can support the operationalization of the Nursing Process for parturient women.