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Likelihood ratio for trisomy 21 in fetuses with absent nasal bone at the 11-14-week scan.
Cicero S, Rembouskos G, Vandecruys H, Hogg M, Nicolaides KH.
Ultrasound Obstet Gynecol 2004;23:218-23. -
Maternal weight correction of maternal serum PAPP-A and free beta-hCG MoM when screening for trisomy 21 in the first trimester of pregnancy.
Spencer K, Bindra R, Nicolaides KH.
Prenat Diagn 2003;23:851-5. -
Screening for trisomy 21 in twins using first trimester ultrasound and maternal serum biochemistry in a one-stop clinic: a review of three years experience.
Spencer K, Nicolaides KH.
BJOG 2003;110:276-80. -
Ear length in trisomy 21 fetuses at 11-14 weeks of gestation.
Sacchini C, El-Sheikhah A, Cicero S, Rembouskos G, Nicolaides KH.
Ultrasound Obstet Gynecol 2003;22:460-3. -
Integrated ultrasound and biochemical screening for trisomy 21 using fetal nuchal translucency, absent fetal nasal bone, free beta-hCG and PAPP-A at 11 to 14 weeks.
Cicero S, Bindra R, Rembouskos G, Spencer K, Nicolaides KH.
Prenat Diagn 2003;23:306-10. -
Nasal bone hypoplasia in trisomy 21 at 15-22 weeks' gestation.
Cicero S, Sonek JD, McKenna DS, Croom CS, Johnson L, Nicolaides KH.
Ultrasound Obstet Gynecol 2003;21:15-8. -
Prenatal ultrasonographic diagnosis of nasal bone abnormalities in three fetuses with Down syndrome.
Sonek JD, Nicolaides KH.
Am J Obstet Gynecol 2002;186:139-41. -
One-stop clinic for assessment of risk for trisomy 21 at 11-14 weeks: a prospective study of 15 030 pregnancies.
Bindra R, Heath V, Liao A, Spencer K, Nicolaides KH.
Ultrasound Obstet Gynecol 2002;20:219-25. -
Maternal serum levels of dimeric inhibin A in pregnancies affected by trisomy 21 in the first trimester.
Spencer K, Liao AW, Ong CY, Geerts L, Nicolaides KH.
Prenat Diagn 2001;21:441-4. -
Maternal serum levels of total activin-A in first-trimester trisomy 21 pregnancies.
Spencer K, Liao AW, Skentou H, Ong CY, Nicolaides KH.
Prenat Diagn 2001;21:270-3. -
First-trimester screening for trisomy 21 in singleton pregnancies achieved by assisted reproduction.
Liao AW, Heath V, Kametas N, Spencer K, Nicolaides KH.
Hum Reprod 2001;16:1501-4. -
Absence of nasal bone in fetuses with trisomy 21 at 11-14 weeks of gestation: an observational study.
Cicero S, Curcio P, Papageorghiou A, Sonek J, Nicolaides K.
Lancet 2001;358:1665-7. -
First trimester markers of trisomy 21 and the influence of maternal cigarette smoking status.
Spencer K, Ong CYT, Liao AWJ, Papademetriou D, Nicolaides KH.
Prenat Diagn 2000;20:852-3. -
First trimester prenatal diagnosis of trisomy 21 in discordant twins using fetal nuchal translucency thickness and maternal serum free beta-hCG and PAPP-A.
Spencer K, Nicolaides KH.
Prenat Diagn 2000;20:683-4. -
The influence of fetal sex in screening for trisomy 21 by fetal nuchal translucency, maternal serum free beta-hCG and PAPP-A at 10-14 weeks of gestation.
Spencer K, Ong CY, Liao AW, Papademetriou D, Nicolaides KH.
Prenat Diagn 2000;20:673-5. -
Is maternal serum total hCG a marker of trisomy 21 in the first trimester of pregnancy?
Spencer K, Berry E, Crossley JA, Aitken DA, Nicolaides KH.
Prenat Diagn 2000;20:311-7. -
Maternal age and gestation-specific risk for trisomy 21.
Snijders RJ, Sundberg K, Holzgreve W, Henry G, Nicolaides KH.
Ultrasound Obstet Gynecol 1999;13:167-70. -
Maternal serum S100 protein in normal and Down syndrome pregnancies.
Abraha HD, Noble PL, Nicolaides KH, Sherwood RA.
Prenat Diagn 1999;19:334-6. -
Collagen type VI gene expression in the skin of trisomy 21 fetuses.
von Kaisenberg CS, Brand-Saberi B, Christ B, Vallian S, Farzaneh F, Nicolaides KH.
Obstet Gynecol 1998;91:319-23. -
UK multicentre project on assessment of risk of trisomy 21 by maternal age and fetal nuchal-translucency thickness at 10-14 weeks of gestation.
Snijders RJ, Noble P, Sebire N, Souka A, Nicolaides KH.
Lancet 1998;352:343-6.