It is the first European Marcé Conference, bringing together the European chapters of the International Marcé Society and building on the biennial Nordic Marcé conference, to strengthen collaboration and scientific exchange and to advance research and clinical practice in perinatal mental health. Researchers, clinicians, policy-makers and people with lived experience from across Europe and beyond contribute work on perinatal mental health and wellbeing, early relationships and support for parents, infants and families, joining research, clinical practice and lived experience across disciplines and countries. The abstract submission deadline is 25 January 2027. Sigríður Sía Jónsdóttir chairs the organising committee.