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Nicholas Cowans

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TOP 3
Kevin Spencer; Nicholas J Cowans
Accuracy of self-reported smoking status in first trimester aneuploidy screening.
Nicholas J Cowans; Kevin Spencer
First trimester maternal serum inhibin A concentrations in smokers.
Kevin Spencer; Nicholas J Cowans
Analytical goal setting in aneuploidy screening: within person biological variability of first trimester biochemical markers.

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All Publications

2013: Kevin Spencer; Nicholas J Cowans
Accuracy of self-reported smoking status in first trimester aneuploidy screening.
Prenatal diagnosis 2013;33(3):245-50.
2013: Nicholas J Cowans; Kevin Spencer
First trimester maternal serum inhibin A concentrations in smokers.
Prenatal diagnosis 2013;33(3):296-7.
2013: Kevin Spencer; Nicholas J Cowans
Analytical goal setting in aneuploidy screening: within person biological variability of first trimester biochemical markers.
Prenatal diagnosis 2013;33(2):124-9.
2013: Kevin Spencer; Nicholas J Cowans
Correction of first trimester biochemical aneuploidy screening markers for smoking status: influence of gestational age, maternal ethnicity and cigarette dosage.
Prenatal diagnosis 2013;33(2):116-23.
2013: Nicholas J Cowans; Kevin Spencer
Effect of gestational age on first trimester maternal serum prenatal screening correction factors for ethnicity and IVF conception.
Prenatal diagnosis 2013;33(1):56-60.
2012: F Akinlade; Nicholas J Cowans; M C Kisanga; Kevin Spencer
Maternal serum CA 19-9 and CA 15-3 levels in pregnancies affected by trisomy 21.
Prenatal diagnosis 2012;32(7):644-8.
2012: Nicholas J Cowans; M C Kisanga; Kevin Spencer
Maternal serum placental growth factor in second trimester trisomy 21 pregnancies.
Prenatal diagnosis 2012;32(2):117-21.
2012: Nicholas J Cowans; A Khan; M Kisanga; Kevin Spencer
A comparison of two immunoassay methods for the measurement of maternal serum placental growth factor in early pregnancy.
Fetal diagnosis and therapy 2012;31(4):254-9.
2011: Nicholas J Cowans; H Alfthan; U H Stenman; Kevin Spencer
Stability of first trimester placental growth factor in serum and whole blood.
Prenatal diagnosis 2011;31(12):1193-7.
2011: Nicholas J Cowans; Kevin Spencer
The relationship between maternal body mass, smoking status and ethnicity and first trimester nuchal translucency thickness.
Prenatal diagnosis 2011;31(5):446-9.
2011: Nicholas J Cowans; Anastasia Stamatopoulou; Niels Tørring; Kevin Spencer
Early first-trimester maternal serum placental growth factor in trisomy 21 pregnancies.
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2011;37(5):515-9.
2011: Nicholas J Cowans; Anastasia Stamatopoulou; Paivi Liitti; Mikko Suonpaa; Kevin Spencer
The stability of free-β human chorionic gonadotrophin and pregnancy-associated plasma protein-A in first trimester dried blood spots.
Prenatal diagnosis 2011;31(3):293-8.
2011: Nicholas J Cowans; Anastasia Stamatopoulou; A Khalil; Kevin Spencer
PP13 as a marker of pre-eclampsia: A two platform comparison study.
Placenta 2011;32 Suppl():S37-41.
2011: Anastasia Stamatopoulou; Constantin S von Kaisenberg; Nicholas J Cowans; Elisabet Matwejew; Kevin Spencer
Placental protein-13 and pregnancy-associated plasma protein-A as first trimester screening markers for hypertensive disorders and small for gestational age outcomes.
Hypertension in pregnancy : official journal of the International Society for the Study of Hypertension in Pregnancy 2011;30(4):384-95.
2010: Kevin Spencer; Nicholas J Cowans; C E Spencer; N Achillea
A re-evaluation of the influence of maternal insulin-dependent diabetes on fetal nuchal translucency thickness and first-trimester maternal serum biochemical markers of aneuploidy.
Prenatal diagnosis 2010;30(10):937-40.
2010: Nicholas J Cowans; Anastasia Stamatopoulou; S Jaakohuhta; S Hentunen; Kevin Spencer
PP13 stability in first trimester maternal serum and whole blood.
Prenatal diagnosis 2010;30(6):582-5.
2010: Nicholas J Cowans; Anastasia Stamatopoulou; E Matwejew; Constantin S von Kaisenberg; Kevin Spencer
First-trimester placental growth factor as a marker for hypertensive disorders and SGA.
Prenatal diagnosis 2010;30(6):565-70.
2010: Nicholas J Cowans; Anastasia Stamatopoulou; S Jaakohuhta; Kevin Spencer
ADAM-12 stability in first trimester maternal serum.
Prenatal diagnosis 2010;30(6):555-60.
2010: A Khalil; Nicholas J Cowans; K Spencer; S Goichman; H Meiri; K Harrington
First-trimester markers for the prediction of pre-eclampsia in women with a-priori high risk.
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2010;35(6):671-9.
2010: Nicholas J Cowans; Anastasia Stamatopoulou; Kevin Spencer
First trimester maternal serum placental growth factor in trisomy 21 pregnancies.
Prenatal diagnosis 2010;30(5):449-53.
2010: Pierre Miron; Jean Lambert; Anne Marcil; Nicholas J Cowans; Anastasia Stamatopoulou; Kevin Spencer
Maternal plasma levels of follistatin-related gene protein in the first trimester of pregnancies with Down syndrome.
Prenatal diagnosis 2010;30(3):224-8.
2010: Nicholas J Cowans; Anastasia Stamatopoulou; Johanna Hellström; Minna-Maarit Mäkelä; Kevin Spencer
PAPP-A and free ss-hCG stability in first trimester serum using PerkinElmer AutoDELFIA and DELFIA Xpress systems.
Prenatal diagnosis 2010;30(2):127-32.
2009: Kevin Spencer; Osasumwen Enofe; Nicholas J Cowans; Anastasia Stamatopoulou
Is maternal renal disease a cause of elevated free beta-hCG in first trimester aneuploidy screening?
Prenatal diagnosis 2009;29(11):1045-9.
2009: Asma Khalil; Nicholas J Cowans; Kevin Spencer; Sergey Goichman; Hamutal Meiri; Kevin Harrington
First trimester maternal serum placental protein 13 for the prediction of pre-eclampsia in women with a priori high risk.
Prenatal diagnosis 2009;29(8):781-9.
2009: Nicholas J Cowans; Anastasia Stamatopoulou; Nerea Maiz; Kevin Spencer; Kypros H Nicolaides
The impact of fetal gender on first trimester nuchal translucency and maternal serum free beta-hCG and PAPP-A MoM in normal and trisomy 21 pregnancies.
Prenatal diagnosis 2009;29(6):578-81.
2009: Nicholas J Cowans; Anastasia Stamatopoulou; Kevin Spencer
The effect of Rhesus status on first-trimester pregnancy screening markers free beta human chorionic gonadotropin, pregnancy-associated plasma protein-A and nuchal translucency.
Prenatal diagnosis 2009;29(5):505-7.
2008: Kevin Spencer; Nicholas J Cowans; Niels Uldbjerg; Annie Vereecken; Niels Tørring
First trimester intact hCG as an early marker of trisomy 21: a promise unrecognised?
Prenatal diagnosis 2008;28(12):1156-9.
2008: Kevin Spencer; Nicholas J Cowans; Kypros H Nicolaides
Maternal serum inhibin-A and activin-A levels in the first trimester of pregnancies developing pre-eclampsia.
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2008;32(5):622-6.
2008: Kevin Spencer; Nicholas J Cowans; Anastasia Stamatopoulou
Maternal serum ADAM12s in the late first trimester of pregnancies with Trisomy 21.
Prenatal diagnosis 2008;28(5):422-4.
2008: Kevin Spencer; Nicholas J Cowans; Niels Uldbjerg; Niels Tørring
First-trimester ADAM12s as early markers of trisomy 21: a promise still unfulfilled?
Prenatal diagnosis 2008;28(4):338-42.
2008: Kevin Spencer; Nicholas J Cowans; Anastasia Stamatopoulou
ADAM12s in maternal serum as a potential marker of pre-eclampsia.
Prenatal diagnosis 2008;28(3):212-6.
2008: Kevin Spencer; Annie Vereecken; Nicholas J Cowans
Maternal serum ADAM12s as a potential marker of trisomy 21 prior to 10 weeks of gestation.
Prenatal diagnosis 2008;28(3):209-11.
2008: Nicholas J Cowans; Kevin Spencer; Hamutal Meiri
First-trimester maternal placental protein 13 levels in pregnancies resulting in adverse outcomes.
Prenatal diagnosis 2008;28(2):121-5.
2008: Kevin Spencer; Nicholas J Cowans; F Molina; K O Kagan; Kypros H Nicolaides
First-trimester ultrasound and biochemical markers of aneuploidy and the prediction of preterm or early preterm delivery.
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2008;31(2):147-52.
2008: Kevin Spencer; Nicholas J Cowans; Kypros H Nicolaides
Low levels of maternal serum PAPP-A in the first trimester and the risk of pre-eclampsia.
Prenatal diagnosis 2008;28(1):7-10.
2008: Kevin Spencer; Nicholas J Cowans; K Avgidou; F Molina; Kypros H Nicolaides
First-trimester biochemical markers of aneuploidy and the prediction of small-for-gestational age fetuses.
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2008;31(1):15-9.
2007: Kevin Spencer; Nicholas J Cowans; Anastasia Stamatopoulou
Maternal serum ADAM12s as a marker of rare aneuploidies in the first or second trimester of pregnancy.
Prenatal diagnosis 2007;27(13):1233-7.
2007: Kevin Spencer; Nicholas J Cowans
ADAM12 as a marker of trisomy 18 in the first and second trimester of pregnancy.
The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians 2007;20(9):645-50.
2007: Michael Christiansen; Kevin Spencer; Jennie Laigaard; Nicholas J Cowans; Severin Olesen Larsen; Ulla M Wewer
ADAM 12 as a second-trimester maternal serum marker in screening for Down syndrome.
Prenatal diagnosis 2007;27(7):611-5.
2007: Nicholas J Cowans; Kevin Spencer
First-trimester ADAM12 and PAPP-A as markers for intrauterine fetal growth restriction through their roles in the insulin-like growth factor system.
Prenatal diagnosis 2007;27(3):264-71.
2007: Kevin Spencer; Nicholas J Cowans; Ilana Chefetz; Joseph Tal; Ido Kuhnreich; Hamutal Meiri
Second-trimester uterine artery Doppler pulsatility index and maternal serum PP13 as markers of pre-eclampsia.
Prenatal diagnosis 2007;27(3):258-63.
2007: Kevin Spencer; Nicholas J Cowans; Ilana Chefetz; Joseph Tal; Hamutal Meiri
First-trimester maternal serum PP-13, PAPP-A and second-trimester uterine artery Doppler pulsatility index as markers of pre-eclampsia.
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2007;29(2):128-34.
2007: Nicholas J Cowans; Kevin Spencer
Is there an association between maternal ABO and rhesus blood groups and the first-trimester serum markers free beta-hCG and PAPP-A used for the detection of fetal aneuploidy?
Prenatal diagnosis 2007;27(1):64-7.
2006: George Makrydimas; Alexandros Sotiriadis; Kevin Spencer; Nicholas J Cowans; Kypros H Nicolaides
ADAM12-s in coelomic fluid and maternal serum in early pregnancy.
Prenatal diagnosis 2006;26(13):1197-200.
2006: Kevin Spencer; Nicholas J Cowans; K Avgidou; Kypros H Nicolaides
First-trimester ultrasound and biochemical markers of aneuploidy and the prediction of impending fetal death.
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2006;28(5):637-43.
2006: Jennie Laigaard; Kevin Spencer; Michael Christiansen; Nicholas J Cowans; Severin Olesen Larsen; Bent Nørgaard Pedersen; Ulla M Wewer
ADAM 12 as a first-trimester maternal serum marker in screening for Down syndrome.
Prenatal diagnosis 2006;26(10):973-9.
2005: Kevin Spencer; C K H Yu; Nicholas J Cowans; Chineze Otigbah; Kypros H Nicolaides
Prediction of pregnancy complications by first-trimester maternal serum PAPP-A and free beta-hCG and with second-trimester uterine artery Doppler.
Prenatal diagnosis 2005;25(10):949-53.
2005: Nicholas J Cowans; Kevin Spencer
First and second-trimester biochemical markers of chromosomal anomalies and their relationship to maternal haemoglobin levels.
Prenatal diagnosis 2005;25(8):693-9.