Florence Talrich,1,2 Astrid Van Damme,1,2 Hilde LA Bastiaens,3 Jochen Bergs,4 Marlies EB Rijnders,5 Katrien Beeckman1,2,6 1Department of Public Health, Vrije Universiteit Brussel (VUB), Jette, Belgium; 2Departement of Nursing and Midwifery Research Group (NUMID), Universitair Ziekenhuis Brussel (UZ Brussel), Jette, Belgium; 3Department Family Medicine and Population Health, Universiteit Antwerpen, Antwerp, Belgium; 4Department of Healthcare, Universiteit Hasselt, Hasselt, Belgium; 5Department of Child Health, TNO, Leiden, the Netherlands; 6Department Nursing and Midwifery, Universiteit Antwerpen, Antwerp, BelgiumCorrespondence: Florence Talrich, Laarbeeklaan 103, Brussel, Jette, 1090, Belgium, Tel +324749853, Email florence.talrich@vub.beIntroduction: Group Antenatal Care (GANC) is an alternative for traditional antenatal care. Despite the model is well accepted among participants and is associated with positive effects on pregnancy outcomes, recruitment of participants can be an ongoing challenge, depending on the structure and financing of the wider health system. This is especially the case for primary care organizations offering GANC, which depend on other health care providers to refer potential participants. The main objective of this study is to understand what determinants are at play for health care providers to refer to GANC facilitators in primary care organizations. Accordingly, we make recommendations for strategies in order to increase the influx of women in GANC.Methods: Qualitative findings were obtained from 31 interviews with healthcare providers responsible for the referral of women to the GANC facilitators working in primary care organizations, GANC facilitators and stakeholders indirectly involved in the referral. The domains of the Consolidated Framework for Implementation Research (CFIR) and the Theoretical Domains Framework (TDF) helped to develop interview questions and raise awareness of important elements during interviews and thematic analyses.Results: The findings show that before ...