Normal blood count, normal liver and kidney function tests, C-reactive protein: 26 mg/L, erythrocyte sedimentation rate: 14 mm/hr, prolactin: 288 mIU/L (on cabergoline treatment), NT-proBNP: 2899 ng/L, troponin-T: below limit of detection, negative screening for thrombophilia, autoimmune and connective tissue diseases. This evidence concerns the gene PRL and Rare hereditary thrombophilia.