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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. -
The influence of parity and gravidity on first trimester markers of chromosomal abnormality.
Spencer K, Ong CYT, Liao AWJ, Papademetriou D, Nicolaides KH.
Prenat Diagn 2000;20:792-4. -
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. -
First trimester maternal serum AFP and total hCG in aneuploidies other than trisomy 21.
Spencer K, Heath V, Flack N, Ong C, Nicolaides KH.
Prenat Diagn 2000;20:635-9. -
Screening for triploidy by fetal nuchal translucency and maternal serum free beta-hCG and PAPP-A at 10-14 weeks of gestation.
Spencer K, Liao AW, Skentou H, Cicero S, Nicolaides KH.
Prenat Diagn 2000;20:495-9. -
The influence of ethnic origin on first trimester biochemical markers of chromosomal abnormalities.
Spencer K, Ong CY, Liao AW, Nicolaides KH.
Prenat Diagn 2000;20:491-4. -
Screening for trisomy 13 by fetal nuchal translucency and maternal serum free beta hCG and PAPP-A at 10-14 weeks of gestation.
Spencer K, Ong C, Skentou H, Liao AW, Nicolaides KH.
Prenat Diagn 2000;20:411-6. -
Maternal serum free beta-hCG and PAPP-A in fetal sex chromosome defects in the first trimester.
Spencer K, Tul N, Nicolaides KH.
Prenat Diagn 2000;20:390-4. -
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. -
One stop clinic for assessment of risk for fetal anomalies: a report of the first year of prospective screening for chromosomal anomalies in the first trimester.
Spencer K, Spencer CE, Power M, Moakes A, Nicolaides KH.
BJOG 2000;107:1271-5. -
Semiquantitative immunohistochemical localisation of PAPP-A and beta-hCG in first trimester chorionic villi from euploid and trisomic pregnancies.
Sebire NJ, Roberts L, Nicolaides KH.
J Pathol 2000;192:30. -
First trimester maternal serum free beta human chorionic gonadotrophin and pregnancy associated plasma protein A as predictors of pregnancy complications.
Ong CY, Liao AW, Spencer K, Munim S, Nicolaides KH.
BJOG 2000;107:1265-70. -
Screening for fetal trisomy 21 in the first trimester of pregnancy: maternal serum free beta-hCG and fetal nuchal translucency thickness.
Noble PL, Abraha HD, Snijders RJ, Sherwood R, Nicolaides KH.
Ultrasound Obstet Gynecol 1995;6:390-5. -
Maternal serum hCG and fetal nuchal translucency thickness for the prediction of fetal trisomies in the first trimester of pregnancy.
Brizot ML, Snijders RJ, Butler J, Bersinger NA, Nicolaides KH.
Br J Obstet Gynaecol 1995;102:127-32. -
Placental expression of alpha and beta subunits of human chorionic gonadotrophin in early pregnancies with Down's syndrome.
Brizot ML, Jauniaux E, Mckie AT, Farzaneh F, Nicolaides KH.
Hum Reprod 1995;10:2506-9. -
Fetal and maternal hCG concentration in aneuploid pregnancies.
Abbas A, Chard T, Nicolaides KH.
Br J Obstet Gynaecol 1995;102:561-3.