First trimester markers of trisomy 21 and the influence of maternal cigarette smoking status.
Spencer
K
K
Ong
C Y
CY
Liao
A W
AW
Papademetriou
D
D
Nicolaides
K H
KH
D000328:Adult; D015415:Biomarkers / Q000097:blood*; D016022:Case-Control Studies; D018997:Chorionic Gonadotropin, beta Subunit, Human / Q000097:blood*; D004314:Down Syndrome / Q000175:diagnosis*; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D011237:Predictive Value of Tests; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011266:Pregnancy-Associated Plasma Protein-A / Q000378:metabolism; D011296:Prenatal Diagnosis; D012907:Smoking; D016216:Ultrasonography, Prenatal
D015415:Biomarkers; D018997:Chorionic Gonadotropin, beta Subunit, Human; D011266:Pregnancy-Associated Plasma Protein-A