Abstract
The results of cytogenetic studies of 3414 patients with infertility (1741 women and 1673 men) were analyzed retrospectively to estimate the frequency and types of chromosomal abnormalities in infertile patients. Chromosomal abnormalities were detected in 2.37% of cases (81/3414), corresponding to an abnormality frequency of 2.79% among men and 1.95% among women. Balanced structural chromosomal rear-rangements were predominant in the studied group, constituting 80.2% of all chromosomal abnormalities. Gonosomal abnormalities comprised 23.5% of the detected chromosomal pathology (19/81) and were presented by gonosomal aneuploidies in 84% of cases (16/19) and structural rearrangements of chromosome Y in 16% of cases (3/19). The frequency of sex chromosome low level mosaicism was 0.55%. Our results highlight the importance of cytogenetic studies in patients with infertility before the start of infertility treatment programs with assisted reproduction techniques, since the detection of chromosomal abnormalities makes it possible to identify infertility etiology as well as change the treatment approaches.
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Pylyp, L.Y., Spinenko, L.O., Verhoglyad, N.V. et al. Chromosomal abnormalities in patients with infertility. Cytol. Genet. 49, 173–177 (2015). https://doi.org/10.3103/S009545271503010X
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DOI: https://doi.org/10.3103/S009545271503010X