Perineal massage and warm compresses-Implementation study of a complex intervention in health.

Objectives: To determine the effect of using tailored and multifaceted strategies on the acceptability, appropriateness, feasibility and adoption of a perineal massage and warm compress intervention by midwives in a maternity ward of a tertiary hospital in Portugal.

Methods: The complex intervention in health was developed based on the Medical Research Council framework and guided by the Theory of Change. Tailored and multifaceted strategies, including dissemination, integration and implementing process strategies, were applied.