Learn how hCG levels differ in pregnancies affected by Down syndrome and why they are an important part of prenatal screening tests.
Learn how high hCG levels relate to Down syndrome risk during prenatal screening and why further tests are essential for diagnosis.
Learn what high odds for Down syndrome mean in prenatal tests and how maternal age and screening markers affect diagnosis.
Discover if a negative Non-Invasive Prenatal Test (NIPT) can miss a Down syndrome diagnosis and understand the importance of follow-up testing.
Learn about the most sensitive prenatal test for trisomy 21, non-invasive prenatal testing (NIPT), with over 99% accuracy in early pregnancy.
Learn how accurate Non-Invasive Prenatal Testing (NIPT) is at 20 weeks for detecting chromosomal abnormalities like Down syndrome.