http://mthfr.net/recurrent-pregnancy...ge/2011/09/25/ Heterozygous A1298C OR Heterozygous C677T MTHFR Mutation ... repeat pregnancy loss repeat pregnancy loss Heterozygous A1298C OR Heterozygous C677T MTHFR Mutation ... http://mthfr.net/recurrent-pregnancy...ge/2011/09/25/ repeat pregnancy loss Heterozygous A1298C OR Heterozygous C677T MTHFR Mutation ... repeat pregnancy loss