Feskov, O., I. Feskova, Ye. Zhylkova, V. Rudenko, and O. Blazhko. 2021. “Change in the Karyotype of the Embryo As a Cause of Spontaneous Abortion in the First Trimester”. The Journal of V.N.Karazin Kharkiv National University. Series «Biology» 37 (December), 43-50. https://doi.org/10.26565/2075-5457-2021-37-3.