Abstract
To identify the role of both genetic (number of CGG repeats in the FMR1 gene) and autoimmune factors (anti-ovarian antibodies) in premature ovarian failure (POF). In cross-sectional study, 78 women with POF were divided into 3 groups by the number of CGG repeats (less than 28, 28-36, more than 36) in any of the FMR1 gene alleles. We performed the detection of skewed X-chromosome inactivation, CGG repeats in the FMR1 gene, anti-ovarian antibodies (AOA) and sex hormones tests. Compared to a higher or lower number of CGG repeats the 28-36 triple CGG counts are strongly associated with the AOA detection (RR = 19.23, 95% CI = 2.63-100.0). The women with autoimmune-driven POF have significantly higher anti-Mullerian hormone levels in comparison to women with non-autoimmune-driven POF. The presence of AOA above 10 IU/mL is associated with the normal number of CGG repeats in regard to ovarian reserve and a better preservation of follicular primordial pool in the women with POF.
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