Proceeds from website advertising help sustain Lab Tests Online. AACC is a not-for-profit organization and does not endorse non-AACC products and services.

First Trimester Screening

Print this article
Share this page:
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]

Board approvedAll content on Lab Tests Online has been reviewed and approved by the Editorial Review Board.