Mutations in the factor V, prothrombin and MTHFR genes are not risk factors for recurrent fetal loss. - Dilley,A.; Benito,C.; Hooper,W.C.; Austin,H.; Miller,C.; El-Jamil,M.; Cottrell,S.; Benson,J.; Evatt,B.L.; Patterson-Bamett,A.; Eller,D.; Philipp,C. (J Matern Fetal Neonatal Med, 2002)