Screening for Down's syndrome. Biochemical screening offers advantages.
Boyd
P A
PA
Jefferies
M
M
Chamberlain
P F
PF
Crocker
A J
AJ
D000328:Adult; D015415:Biomarkers / Q000097:blood; D004314:Down Syndrome / Q000097:blood / Q000175:diagnosis*; D005260:Female; D005865:Gestational Age; D006801:Humans; D008423:Maternal Age; D011237:Predictive Value of Tests; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D011296:Prenatal Diagnosis / Q000379:methods*; D016216:Ultrasonography, Prenatal
D015415:Biomarkers