TSitologiya i Genetika 1990, vol. 24, no. 3, 27-30 Cytology and Genetics , vol. , no. , , doi: https://www.doi.org/ Studies of Fetus Chromosomes in the First Trimestry of Pregnancy Midyan S. A., Okoev G. G., Mirzoyan A. S., Vanetsyan A. S., Kazanchyan N. V., Kyandaryan I. G. Keywords: TSitologiya i Genetika 1990, vol. 24, no. 3, 27-30 Cytology and Genetics , vol. , no. , , doi: Full text and supplemented materials References