“PO41 | Comparison of the haemorrhagic phenotype between female and male patients affected by autosomal inherited bleeding disorders in a single-centre cohort: B. Borsellino1,3, C. Zuccotti2, L. Guarnera3,4, C. Biasoli5, P. Pedrazzi5, T. Martini1 | 1Haemophilia Centre, Immune-Haematology and Transfusion Medicine, University Hospital ‘Città della Salute e della Scienza’, Turin, Italy; 2Department of Clinical Pathology, Bufalini Hospital, Cesena, Italy; 3Department of Biomedicine and Prevention, PhD in Immunology, Molecular Medicine and Applied Biotechnology, University of Roma Tor Vergata, Roma, Italy; 4Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH, USA; 5Haemophilia and Transfusion Centre, Bufalini Hospital, Cesena, Italy” (2025) Bleeding, Thrombosis and Vascular Biology, 4(s1). doi:10.4081/btvb.2025.304.