Background: The C677T and A1298C polymorphism mutations in the methylenetetrahydrofolate reductase (MTHFR) gene will be investigated in a multi-abortion study. Aim: To determine mutation (SNP) in the methyl tetrahydrofolate reductase (MTHFR) Gene with multiple abortion. Methods: “We nominated two hundred patients for this study in three groups: the study group, The first group included 50 women with a history of 1 or 2 missed first trimester Abortions and fifty to control group the last group which consisted of one hundred Patients with a history more than two missed abortion. Anticoagulants human blood tests such as (protein C, protein S, and lupus) as well as general serum tests IgG and IgM for (Cytomegalovirus, Toxoplasma gondii, Rubella virus, Anti-cardiolipin antibodies and anti-phospholipid antibody) were performed. In addition, screening of the maternal MTHFR C667T and MTHFR a 1298C mutation was determined by PCR.Result: all common serum test for study population (CMV, Toxo, Rubella, ACA and APL) IgG and IgM, also anticoagulants human blood test (protein C, protein S and Lupus) is negative. The frequency of heterozygous (genotype) A1298C and C677T was similar. The distribution of MTHFR, C677T and A1298C genotypes show significantly differences P ≤ 0.05; OR= (95%CI) between patients with multiple abortions and control subjects.Conclusions: the result suggestion MTHFR A>C 1298 and C< T 677 polymorphisms might be associated with multiple abortion in the examined population.

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