Affiliation: | 1. Department of Haematology and Coagulation Disorders, Sahlgrenska University Hospital, Gothenburg, Sweden;2. Department of Antenatal Care, N?rh?lsan, Primary Care, V?stra G?taland, Sweden;3. Institute of Clinical Science, Department of Obstetrics and Gynaecology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden;4. Lund University, Centre for Thrombosis and Haemostasis, Sk?ne University Hospital, Malm?, Sweden |