Contemporary Prenatal Screening for Down Syndrome: Testing with Cell Free DNA

Geralyn Lambert-Messerlian, PhD, FACB
Katharine Wenstrom, MD

The purpose/goal(s) of this activity is to enable healthcare providers to have an increased understanding of the strengths and limitations of cell free DNA testing.


  • Describe the current method of prenatal screening and its performance
  • Explain the cell free DNA based screening method
  • Discuss the benefits and limitations of a new protocol using cfDNA screening for all women

1.0 Contact Hour