%0 Conference Article %T BIOCHEMICAL PARAMETERS OF BLOOD IN PREGNANT WOMEN NORMALLY AND WITH CHROMOSOMAL PATHOLOGY OF THE FETUS %A Rytenkova, O.. %A Volkov, A.. %K prenatal screening, β-hCG, PAPP-A, trisomy, cytogenetic analysis %J I International Congress “The Latest Achievements of Medicine, Healthcare, and Health-Saving Technologies” %D 2023 %P 5 %I Kemerovo State University