Upplevelsen av förlossningsbrev : Patientbrevet som verktyg för ökad delaktighet, trygghet, autonomi och personcentrerad vård ; The experience of birth plans : A measure to increase patients’ participation, feeling of safety, autonomy and patient centered care ; The experience of a letter of confinement: The Patient Letter as a tool for empowerment, security, autonomy and person-centred care; The experimentation of birth plans: A measure to increase patients’ participation, Feeling of safety, autonomy and patient centered care