Variation within the normal range in fragile X mental retardation 1 (FMR1) gene CGG repeat number is not predictive of ovarian responsiveness during IVF

      Expansions of the CGG repeat in FMR1 into the Fragile X premutation range have been associated with increased risk of primary ovarian insufficiency. Recently, some studies have suggested that variation within the normal range (<45) may be prognostic of an accelerated onset of reduced ovarian responsiveness. This study evaluates the relationship between CGG repeats in FMR1 and the number of mature oocytes retrieved during IVF.
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