Learn what trisomy 21 means, why there is no normal range, and how Down syndrome is diagnosed through screening and confirmatory tests.
Learn about the accuracy of Down syndrome tests, including screening and diagnostic methods, and why consultation with healthcare providers is essential.
Learn why false positives occur in Down syndrome screening tests and how diagnostic tests provide confirmation.
Discover how often Down syndrome screening can be missed before birth and the accuracy of different prenatal tests.
Learn about the accuracy of Down syndrome tests, differences between screening and diagnostic methods, and when to consult your healthcare provider.
Learn what good NIPT results mean and their implications for expectant parents regarding chromosomal abnormalities.