Looking for your tests results? Looking for reference ranges?

First Trimester
Down Syndrome Screen

Formal name: First Trimester Screen [Pregnancy-associated plasma protein-A (PAPP-A), human chorionic gonadotropin (hCG) as either free beta subunit or total hCG, and nuchal translucency ultrasound]
Related tests: Triple/Quad Screen; total hCG

Ask the Lab

This form enables you to ask specific questions about your tests. Your questions will be answered by a laboratory scientist as part of a voluntary service provided by one of our partners, the American Society for Clinical Laboratory Science. Thank you.

* indicates a required field




  Patient, Family member or Friend
  Laboratorian or Other Medical Professional
  Other



You must provide a valid email address in order to receive a response.



| Read The Disclaimer

| |