THE ROLE OF PRENATAL SCREENING IN THE DIAGNOSIS OF FETAL CHROMOSOMAL ABNORMALITIES

The analysis of the diagnostic efficacy of the first-trimester combined prenatal screening program "Astraia Obstetrics" was conducted in pregnant women with high and average risk of developing chromosomal abnormalities. The sensitivity of "Astraia Obstetrics" was 96.06% with a specificity of 96.1% for high-risk women; for those with above-average risk, the sensitivity was 87.52% with a specificity of 88.4%.