“…Depending on the gestational age, the antigenic load on the fetus can affect the rate of normal morphogenesis of organs and tissues, in particular connective tissue, and lead to development of undifferentiated connective tissue dysplasia [4,7,11,12]. In recent years, most experimental studies have focused on the development of liver [8], the description of pathological changes in the body, the study of hepatocytes and nonparenchymal cells that are part of the liver at the ultramicroscopic level [1], but morphological changes occurring in fetal liver after changes in the mother-placenta-fetus system, insufficiently studied.…”