1. Nicolaides KH, Azar G, Byrne D, Mansur C, Marks K. Fetal nuchal translucency: ultrasound screening for chromosomal defects in first trimester of pregnancy. BMJ 1992;304:867-869. PMID:
1392745.
2. Pandya PP, Snijders RJ, Johnson SP, De Lourdes Brizot M, Nicolaides KH. Screening for fetal trisomies by maternal age and fetal nuchal translucency thickness at 10 to 14 weeks of gestation. Br J Obstet Gynaecol 1995;102:957-962. PMID:
8652486.
3. Sebire NJ, Snijders RJ, Hughes K, Sepulveda W, Nicolaides KH. Screening for trisomy 21 in twin pregnancies by maternal age and fetal nuchal translucency thickness at 10-14 weeks of gestation. Br J Obstet Gynaecol 1996;103:999-1003. PMID:
8863698.
4. Hyett JA, Moscoso G, Nicolaides KH. First-trimester nuchal translucency and cardiac septal defects in fetuses with trisomy 21. Am J Obstet Gynecol 1995;172:1411-1413. PMID:
7755046.
5. Galindo A, Comas C, Martnez JM, Gutirrez-Larraya F, Carrera JM, Puerto B, et al. Cardiac defects in chromosomally normal fetuses with increased nuchal translucency at 10-14 weeks of gestation. J Matern Fetal Neonatal Med 2003;13:163-170. PMID:
12820838.
6. Makrydimas G, Sotiriadis A, Huggon IC, Simpson J, Sharland G, Carvalho JS, et al. Nuchal translucency and fetal cardiac defects: a pooled analysis of major fetal echocardiography centers. Am J Obstet Gynecol 2005;192:89-95. PMID:
15672008.
7. Haak MC, Bartelings MM, Gittenberger-De Groot AC, Van Vugt JM. Cardiac malformations in first-trimester fetuses with increased nuchal translucency: ultrasound diagnosis and postmortem morphology. Ultrasound Obstet Gynecol 2002;20:14-21. PMID:
12100412.
8. Sebire NJ, Snijders RJ, Davenport M, Greenough A, Nicolaides KH. Fetal nuchal translucency thickness at 10-14 weeks' gestation and congenital diaphragmatic hernia. Obstet Gynecol 1997;90:943-946. PMID:
9397108.
9. Kagan K, Avgidou K, Molina F, Gajewska K, Nicolaides K. Relation between increased fetal nuchal translucency thickness and chromosomal defects. Obstet Gynecol 2006;107:6-10. PMID:
16394033.
10. Souka AP, Snijders RJ, Novakov A, Soares W, Nicolaides KH. Defects and syndromes in chromosomally normal fetuses with increased nuchal translucency thickness at 10-14 weeks of gestation. Ultrasound Obstet Gynecol 1998;11:391-400. PMID:
9674084.
11. Brambati B, Cislaghi C, Tului L, Alberti E, Amidani M, Colombo U, et al. First-trimester Down's syndrome screening using nuchal translucency: a prospective study in patients undergoing chorionic villus sampling. Ultrasound Obstet Gynecol 1995;5:9-14. PMID:
7850598.
12. Hadlock FP, Shah YP, Kanon DJ, Lindsey JV. Fetal crown-rump length: reevaluation of relation to menstrual age (5-18 weeks) with high-resolution real-time US. Radiology 1992;182:501-505. PMID:
1732970.
13. Maslovitz S, Yaron Y, Fait G, Gull I, Wolman I, Jaffa A, et al. Feasibility of nuchal translucency in triplet pregnancies. J Ultrasound Med 2004;23:501-504. PMID:
15098868.
14. Fetal Medicine Foundation. Online education: the 11-13 weeks scan [Internet]. London: Fetal Medicine Foundation; 2004. cited 2010 Sep 12. Available from:
http://www.fetalmedicine.com.
15. Chung JH, Yang JH, Song MJ, Cho JY, Lee YH, Park SY, et al. The distribution of fetal nuchal translucency thickness in normal Korean fetuses. J Korean Med Sci 2004;19:32-36. PMID:
14966338.
16. Palomaki GE, Lee JE, Canick JA, McDowell GA, Donnenfeld AE. ACMG Laboratory Quality Assurance Committee. Technical standards and guidelines: prenatal screening for Down syndrome that includes first-trimester biochemistry and/or ultrasound measurements. Genet Med 2009;11:669-681. PMID:
19690509.
17. Teoh M, Meagher SE, Choong S, Shekleton P, Wallace EM. The effect of image size on screen-positive rates for nuchal translucency screening. BJOG 2006;113:479-481. PMID:
16489936.
18. Hsu JJ, Chiang CH, Hsieh CC, Hsieh TT. The influence of image magnification in first-trimester screening for Down syndrome by fetal nuchal translucency in Asians. Prenat Diagn 2004;24:1007-1012. PMID:
15614833.
19. Edwards A, Mulvey S, Wallace EM. The effect of image size on nuchal translucency measurement. Prenat Diagn 2003;23:284-286. PMID:
12673630.