Objective To examine the methylenetetrahydrofolate reductase ( MTHFR ) gene polymorphism in women with recurrent pregnancy loss ( RPL ).

目的检测反复妊娠丢失 ( recurrentpregnancyloss,RPL ) 妇女亚甲基四氢叶酸还原酶 ( methylenetetrahydrofolatereductase,MTHFR ) 的多态性.

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C 677 T homozygous MTHFR mutation in 4 % , and oral contraceptive use in 22 %.

4%C677T纯合亚甲基四氢叶酸还原酶变异;22%使用口服避孕药.

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Objective To evaluate the relationship between 5, 10 - Methylenetetrahydrofolate reductase ( MTHFR ) gene polymorphisms and colorectal cancer ( CRC ) .

目的探讨5, 10-亚甲基四氢叶酸还原酶M ( THFR ) 基因多态性与结直肠癌易感性的关系.

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