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[Karyotyping results of spontaneous abortions and miscarriages specimens obtained after using assisted reproductive technologies].

The results of molecular cytogenetic study of spontaneous abortions and material non progressive pregnancies in the first trimester in 43 couples who were treated with various methods of ART are presented in this report. Chromosomal pathology (CP) was present in 28 (65 %) samples of chorionic villi. A comparative analysis of the frequency and types of CPs in groups, composed according to the pathological states in the semen of men was done. The recommendations to improve the efficiency of ART were developed based on the data.