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Analysis of Cell-Free DNA in Maternal Blood in Screening For Aneuploidies: Updated Meta-Analysis.
Gil MM, Accurti V, Santacruz B, Plana MN, Nicolaides KH.
Ultrasound Obstet Gynecol 2017;50:302-314. pdf -
Replacing the combined test by cell-free DNA testing in screening for trisomies 21, 18 and 13: impact on the diagnosis of other chromosomal abnormalities.
Syngelaki A, Pergament E, Homfray T, Akolekar R, Nicolaides KH.
Fetal Diagn Ther 2014;35:174-84. pdf -
Implementation of maternal blood cell-free DNA testing in early screening for aneuploidies.
Gil MM, Quezada MS, Bregant B, Ferraro M, Nicolaides KH.
Ultrasound Obstet Gynecol 2013;42:34-40. pdf -
First-trimester contingent screening for trisomy 21 by biomarkers and maternal blood cell-free DNA testing.
Nicolaides KH, Wright D, Poon LC, Syngelaki A, Gil MM.
Ultrasound Obstet Gynecol 2013;42:41-50. pdf -
First-trimester contingent screening for trisomies 21, 18 and 13 by biomarkers and maternal blood cell-free DNA testing.
Nicolaides KH, Syngelaki A, Poon LC, Gil M, Wright D.
Fetal Diagn Ther 2014;35:185-92. pdf -
Noninvasive prenatal detection of fetal trisomy 18 by epigenetic allelic ratio analysis in maternal plasma: theoretical and empirical considerations.
Tong YK, Ding C, Chiu RW, Gerovassili A, Chim SS, Leung TY, Leung TN, Lau TK, Nicolaides KH, Lo YM.
Clin Chem 2006;52:2194-202. -
First-trimester ultrasound and biochemical markers of aneuploidy and the prediction of impending fetal death.
Spencer K, Cowans NJ, Avgidou K, Nicolaides KH.
Ultrasound Obstet Gynecol 2006;28:637-43. -
Cell-free DNA levels in pregnancies at risk of sickle-cell disease and significant ethnic variation.
Gerovassili A, Nicolaides KH, Thein SL, Rees DC.
Br J Haematol 2006;135:738-41. -
Screening for trisomy 21 by fetal tricuspid regurgitation, nuchal translucency and maternal serum free beta-hCG and PAPP-A at 11 + 0 to 13 + 6 weeks.
Falcon O, Auer M, Gerovassili A, Spencer K, Nicolaides KH.
Ultrasound Obstet Gynecol 2006;27:151-5. -
Detection of trisomy 21 by quantitative mass spectrometric analysis of single-nucleotide polymorphisms.
Tsui NB, Chiu RW, Ding C, El-Sheikhah A, Leung TN, Lau TK, Nicolaides KH, Lo YM.
Clin Chem 2005;51:2358-62. -
Prediction of pregnancy complications by first-trimester maternal serum PAPP-A and free beta-hCG and with second-trimester uterine artery Doppler.
Spencer K, Yu CK, Cowans NJ, Otigbah C, Nicolaides KH.
Prenat Diagn 2005;25:949-53. -
The influence of maternal insulin-dependent diabetes on fetal nuchal translucency thickness and first-trimester maternal serum biochemical markers of aneuploidy.
Spencer K, Cicero S, Atzei A, Otigbah C, Nicolaides KH.
Prenat Diagn 2005;25:927-9. -
Ethnicity and the need for correction of biochemical and ultrasound markers of chromosomal anomalies in the first trimester: a study of Oriental, Asian and Afro-Caribbean populations.
Spencer K, Heath V, El-Sheikhah A, Ong CY, Nicolaides KH.
Prenat Diagn 2005;25:365-9. -
Second-trimester levels of pregnancy-associated plasma protein-A and free beta-hCG in pregnancies with trisomy 13.
Spencer K, Crossley JA, Aitken DA, Nicolaides KH.
Prenat Diagn 2005;25:358-61. -
First-Trimester Screening for Chromosomal Abnormalities.
Nicolaides KH.
Semin Perinatol 2005;29:190-4. -
Multicenter study of first-trimester screening for trisomy 21 in 75 821 pregnancies: results and estimation of the potential impact of individual risk-orientated two-stage first-trimester screening.
Nicolaides KH, Spencer K, Avgidou K, Faiola S, Falcon O.
Ultrasound Obstet Gynecol 2005;25:221-6. -
Evidence-based obstetric ethics and informed decision-making by pregnant women about invasive diagnosis after first-trimester assessment of risk for trisomy 21.
Nicolaides KH, Chervenak FA, McCullough LB, Avgidou K, Papageorghiou A.
Am J Obstet Gynecol 2005;193:322-6. -
Down syndrome screening marker levels in women with a previous aneuploidy pregnancy.
Cuckle HS, Spencer K, Nicolaides KH.
Prenat Diagn 2005;25:47-50. -
Maternal serum biochemistry at 11-13(+6) weeks in relation to the presence or absence of the fetal nasal bone on ultrasonography in chromosomally abnormal fetuses: an updated analysis of integrated ultrasound and biochemical screening.
Cicero S, Spencer K, Avgidou K, Faiola S, Nicolaides KH.
Prenat Diagn 2005;25:977-83. -
Comparison of protocols for extracting circulating DNA and RNA from maternal plasma.
Chiu RW, Lui WB, El-Sheikhah A, Chan AT, Lau TK, Nicolaides KH, Lo YM.
Clin Chem 2005;51:2209-10.