title: Update and Review: Maternal Serum Screening.
abstract: Maternal serum levels of alpha fetoprotein (AFP), human chorionic gonadotropin (hCG), and unconjugated estriol (uE3) can be used to screen pregnancies for neural tube defects, Down syndrome, Trisomy 18, and pregnancy complications. This article summarizes the most recent information regarding maternal serum screening, including genetic counseling issues.
authors.affiliation: Department of Pediatrics, University of Vermont College of Medicine, Burlington, Vermont.
authors.forename: K E
authors.initials: KE
authors.lastname: Ormond