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Items: 1 to 20 of 121

1.

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 Apr;21(4):270-3.

PMID:
11288115
2.

Maternal serum activin A and inhibin A in trisomy 18 pregnancies at 10-14 weeks.

Spencer K, Liao AW, Ong CY, Flack NJ, Nicolaides KH.

Prenat Diagn. 2001 Jul;21(7):571-4.

PMID:
11494294
3.

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 Jun;21(6):441-4.

PMID:
11438945
4.

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 May;25(5):358-61.

PMID:
15906423
5.

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 Feb;27(2):151-5.

6.

First-trimester screening for trisomy 21 by free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A: impact of maternal and pregnancy characteristics.

Kagan KO, Wright D, Spencer K, Molina FS, Nicolaides KH.

Ultrasound Obstet Gynecol. 2008 May;31(5):493-502. doi: 10.1002/uog.5332.

7.

Comparison of serum markers in first-trimester down syndrome screening.

Canick JA, Lambert-Messerlian GM, Palomaki GE, Neveux LM, Malone FD, Ball RH, Nyberg DA, Comstock CH, Bukowski R, Saade GR, Berkowitz RL, Dar P, Dugoff L, Craigo SD, Timor-Tritsch IE, Carr SR, Wolfe HM, D'Alton ME; First and Second Trimester Evaluation of Risk (FASTER) Trial Research Consortium.

Obstet Gynecol. 2006 Nov;108(5):1192-9.

PMID:
17077242
8.

Maternal serum screening for trisomy 18 in the first trimester of pregnancy.

Biagiotti R, Cariati E, Brizzi L, Cappelli G, D'Agata A.

Prenat Diagn. 1998 Sep;18(9):907-13.

PMID:
9793972
9.

Maternal serum inhibin-A and free beta-hCG concentrations in trisomy 21 pregnancies at 10 to 14 weeks of gestation.

Noble PL, Wallace EM, Snijders RJ, Groome NP, Nicolaides KH.

Br J Obstet Gynaecol. 1997 Mar;104(3):367-71.

PMID:
9091018
11.

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 Apr;20(4):311-7.

PMID:
10740204
12.
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14.

Screening for trisomy 18 by fetal nuchal translucency and maternal serum free beta-hCG and PAPP-A at 10-14 weeks of gestation.

Tul N, Spencer K, Noble P, Chan C, Nicolaides K.

Prenat Diagn. 1999 Nov;19(11):1035-42.

PMID:
10589055
15.

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 Oct;28(5):637-43. Review.

16.

Maternal serum human chorionic gonadotrophin and pregnancy-associated plasma protein A in twin pregnancies in the first trimester.

Niemimaa M, Suonpää M, Heinonen S, Seppälä M, Bloigu R, Ryynänen M.

Prenat Diagn. 2002 Mar;22(3):183-5.

PMID:
11920889
18.

Maternal serum levels of free beta-hCG and PAPP-A in the first trimester of pregnancy are not associated with subsequent fetal growth retardation or preterm delivery.

Morssink LP, Kornman LH, Hallahan TW, Kloosterman MD, Beekhuis JR, de Wolf BT, Mantingh A.

Prenat Diagn. 1998 Feb;18(2):147-52.

PMID:
9516016
19.

Maternal serum placental protein 13 at eleven to thirteen weeks in chromosomally abnormal pregnancies.

Akolekar R, Pérez Penco JM, Skyfta E, Rodríguez Calvo J, Nicolaides KH.

Fetal Diagn Ther. 2010;27(2):72-7. doi: 10.1159/000294340. Epub 2010 Mar 23.

PMID:
20332643
20.

Screening for trisomy 21 in twin pregnancies in the first trimester: an update of the impact of chorionicity on maternal serum markers.

Spencer K, Kagan KO, Nicolaides KH.

Prenat Diagn. 2008 Jan;28(1):49-52. doi: 10.1002/pd.1923.

PMID:
18186136

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