TY - JOUR
T1 - Prenatal characteristics of false negative cases from first-trimester screening of Down syndrome (trisomy 21)
AU - Simonsen, Tanja Schlaikjær
AU - Sørensen, Steen
AU - Ekelund, Charlotte
AU - Jørgensen, Finn Stener
AU - Danish Fetal Medicine Research Group
AU - Andersen, Hans Jakob
AU - Christensen, Jeanette
AU - Ersbak, Vibeke
AU - Petersen, Olav Bennike Bjørn
AU - Sundberg, Karin
AU - Tabor, Ann
AU - Zingenberg, Helle Jeanette
PY - 2013/4
Y1 - 2013/4
N2 - What's already known about this topic? In DS cases, maternal age, NT and hCGβ (multiples of median) are high, whereas PAPP-A (multiples of median) is low. What does this study add? This study describes in details the distribution of maternal age, NT, crown rump length and biochemical markers of false negative cases from the first-trimester combined screening for DS.
AB - What's already known about this topic? In DS cases, maternal age, NT and hCGβ (multiples of median) are high, whereas PAPP-A (multiples of median) is low. What does this study add? This study describes in details the distribution of maternal age, NT, crown rump length and biochemical markers of false negative cases from the first-trimester combined screening for DS.
U2 - 10.1002/pd.4081
DO - 10.1002/pd.4081
M3 - Journal article
C2 - 23553404
SN - 0197-3851
VL - 33
SP - 400
EP - 402
JO - Prenatal Diagnosis
JF - Prenatal Diagnosis
IS - 4
ER -