Collaborative model of intrapartum care: qualitative study on barriers and facilitators to implementation in a private Brazilian hospital.

There are important barriers and facilitators to implement a CMIC in a private Brazilian maternity hospital. Factors related to health system structure and organisation may have the greatest impact. A CMIC is more likely to succeed if stakeholders' concerns about responsibilities, power and financial revenues are addressed, and educational interventions targeted at users are deployed prior to its implementation.