In terms of disease prevalence and detection capability, cytogenetic and FISH analysis of prenatal specimens mostly detect

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Aneuploidies, which are abnormalities in the number of chromosomes, are the most commonly detected conditions in prenatal specimens using cytogenetic and FISH (Fluorescence In Situ Hybridization) analysis. These techniques are particularly effective for identifying numerical chromosomal abnormalities, such as trisomies, which are a common cause of genetic disorders in fetuses.

In Terms of Disease Prevalence and Detection Capability, Cytogenetic and FISH