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Keywords: Free β-hCG
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Journal Articles
Journal Articles
Journal Articles
Fetal Diagn Ther (2011) 30 (3): 194–202.
Published Online: 25 June 2011
...David Wright; Argyro Syngelaki; Cahit Birdir; Ivonne Bedei; Kypros H. Nicolaides Objective: To investigate the effect of associations in serum free β-hCG and PAPP-A between successive pregnancies on the performance of screening for trisomy 21 at 11–13 weeks’ gestation. Methods: In 8,499 women...
Journal Articles
Fetal Diagn Ther (2011) 30 (2): 135–140.
Published Online: 23 June 2011
...-A and free β-hCG at 11+0 to 13+6 weeks of gestation between April 2002 and February 2007. Screening for trisomy 21 by patient-specific risks based on the maternal and gestational age-related risk multiplied by a likelihood ratio for NT and for maternal serum biochemistry were compared with a screening policy...
Journal Articles
Fetal Diagn Ther (2011) 29 (2): 135–138.
Published Online: 12 August 2010
...Kevin Spencer Objective: To evaluate if levels of pregnancy-associated plasma protein-A (PAPP-A), free β-hCG and nuchal translucency (NT) used in first trimester aneuploidy screening and α-fetoprotein (AFP), unconjugated oestriol (UE3) and free β-hCG in the second trimester are altered...
Journal Articles
Fetal Diagn Ther (2002) 17 (6): 352–356.
Published Online: 18 October 2002
...: The study included 1,622 consecutive patients with singleton pregnancies who underwent first trimester Down syndrome screening using nuchal translucency, and maternal serum free β-hCG and pregnancy-associated plasma protein-A. Patients with fetal anomalies or chromosome aberrations were excluded from...
Journal Articles
Fetal Diagn Ther (2002) 17 (1): 17–21.
Published Online: 17 January 2002
... gonadotropin (free β-hCG). Methods: The study included 3,252 completed unaffected singleton pregnancies that proceeded beyond 37 weeks’ gestation and resulted with a birth of healthy child. Smoking status of mothers and data concerning gravidity and parity were collected at the sampling date. Serum markers...