Characteristic of the karyotype of products of conception depending on reproductive history of women

  • I. R. Tkach
  • N.L. Huleyuk
  • D.V. Zastavna
  • G.M. Bezkorovaina
  • N.V. Helner
  • T.V. Fedushun
  • T.B. Snizhko
  • O.V. Benko
DOI: https://doi.org/10.7124/FEEO.v29.1425

Abstract

Aim. The prognosis of the reproductive function of women with pregnancy loss is complex and partly based on the results of karyotyping of material of reproductive loss. We studied the features of the karyotype of material of EPL depending on the reproductive history of women with an emphasis on viable and non–viable karyotype abnormalities(KA). Methods. Banding cytogenetic and interphase mFISH with the centromeric probe panel for chromosomes 13, 14, 15, 16, 17, 18, 21, 22, X and Y were used. Results. Were examined 1734 cases of material EPL. Abnormal karyotype was set in 39.3% of cases. The frequency of KA is not significantly different in the material of EPL obtained from women with different reproductive history, namely: first pregnancy loss– 38.9% RPL – 38.2% and SPL – 41.0% (P> 0.05). In the group with RPL significantly more frequent non–viable KA and less viable KA, compared with a group of SPL namely 70.15% and 29.85% compared to 58.85% and 41.15% respectively(P<0.025). Conclusions. The contribution of different KA in genesis of the EPL depends on the reproductive history of women, namely women with RPL significantly increases the proportion of non–viable KA and reduced contribution viable KA compared with a group of SPL.

Keywords: early reproductive loss, maternal reproductive history, karyotype abnormalities.

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