MTHFR and Rare hereditary thrombophilia: Ten patients had heterozygousFactor V Leiden thrombophilia; two had homozygous Factor 5 Leidenthrombophilia; and three had the prothrombin 20210A heterozygous mutation.Twenty-eight patients were positive for autoantibodies and hereditarythrombophilia and/or MTHFR polymorphisms.