First-trimester tests for trisomies 21 and 18 as sensitive as triple screen.
Lewis
Peter R
PR
Penn State University/Good Samaritan Hospital, Family and Community Medicine Residency Program, Lebanon, PA, USA. plewis@psu.edu
Pasalio
Ron
R
D000328:Adult; D002887:Chromosomes, Human, Pair 18 / Q000235:genetics*; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000379:methods / Q000592:standards*; D015203:Reproducibility of Results; D012307:Risk Factors; D012680:Sensitivity and Specificity; D014314:Trisomy / Q000175:diagnosis*