 This study examined the hematological parameters of fetuses with alpha and beta thalassemia and those with normal genotypes. It found significant differences between the three groups in terms of adult hemoglobin, HBA, fetal hemoglobin, HBF, HB-barts, mean corpuscular volume, MCV, mean corpuscular hemoglobin concentration, MCH, and red blood cell distribution with, RdW. Additionally, the study found differences in HBF, HB-barts, MCV, MCH, and RdW among the five beta thalassemia subgroups. This article was authored by Abu Dundar Yenomez and Abdullah Tuli.