References
- Dane B, Dane C, Cetin A, Kiray M, Sivri D, Yayla M. Pregnancy outcome in fetuses with increased nuchal translucency. J Perinatol 2008;28:400–404.
- 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.
- Axt-Fliedner R, Hartge D, Chiriac A, Krapp M, Berg C, Geipel A, Germer U, Gembruch U. Long-term outcome for children born after a first-trimester measurement of increased nuchal translucency with a normal karyotype: a retrospective analysis. Ultraschall Med 2009;30:558–563.
- Jenewein N, Scheier M, Kiechl-Kohlendorfer U. Long term follow-up of children with increased nuchal translucency and normal karyotype on first trimester sonography. Klin Pediatr 2009;221:14–18.
- Bilardo CM, Müller MA, Pajkrt E, Clur SA, van Zalen MM, Bijlsma EK. Increased nuchal translucency thickness and normal karyotype: time for parental reassurance. Ultrasound Obstet Gynecol 2007;30:11–18.
- Spencer K, Ong CY, Liao AW, Papademetriou D, Nicolaides KH. The influence of fetal sex in screening for trisomy 21 by fetal nuchal translucency, β-hCG and PAPP-A at 10–14 weeks of gestation. Prenat Diagn 2000;20:673–675.
- Lamm YH, Tang MHY, Lee CP. The effect of fetal gender on nuchal translucency at 10–14 weeks of gestation. Prenat Diagn 2001;21:627–629.
- Larsen SO, Wøjdemann KR, Shalmi AC, Sundberg K, Christiansen M, Tabor A. Gender impact on first trimester markers in Down syndrome screening. Prenat Diagn 2002;22:1207–1208.
- Timmerman E, Pajkrt E, Bilardo CM. Male gender as a favorable prognostic factor in pregnancies with enlarged nuchal translucency. Ultrasound Obstet Gynecol 2009;34:373–378.
- Yaron Y, Wolman I, Kupferminc MJ, Ochshorn Y, Many A, Orr-Urtreger A. Effect of fetal gender on first trimester markers and on Down syndrome screening. Prenat Diagn 2001;21:1027–1030.
- Pandya PP, Santiago C, Snijders RJ, Nicolaides KH. First trimester fetal nuchal translucency. Curr Opin Obstet Gynecol 1995;7:95–102.
- Bruns RF, Moron AF, Murta CG, Gonçalves LF, Zamith MM. The role of nuchal translucency in the screening for congenital heart defects. Arq Bras Cardiol 2006;87:307–314.
- 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.
- Hyett JA, Moscoso G, Nicolaides KH. Cardiac defects in 1st-trimester fetuses with trisomy 18. Fetal Diagn Ther 1995;10:381–386.
- Hyett J, Moscoso G, Nicolaides K. Increased nuchal translucency in trisomy 21 fetuses: relationship to narrowing of the aortic isthmus. Hum Reprod 1995;10:3049–3051.
- Matias A, Huggon I, Areias JC, Montenegro N, Nicolaides KH. Cardiac defects in chromosomally normal fetuses with abnormal ductus venosus blood flow at 10-14 weeks. Ultrasound Obstet Gynecol 1999;14:307–310.
- Bilardo CM, Müller MA, Zikulnig L, Schipper M, Hecher K. Ductus venosus studies in fetuses at high risk for chromosomal or heart abnormalities: relationship with nuchal translucency measurement and fetal outcome. Ultrasound Obstet Gynecol 2001;17:288–294.
- Brand-Saberi B, Flöel H, Christ B, Schulte-Vallentin M, Schindler H. Alterations of the fetal extracellular matrix in the nuchal oedema of Down’s syndrome. Ann Anat 1994;176:539–547.
- Brand-Saberi B, Epperlein HH, Romanos GE, Christ B. Distribution of extracellular matrix components in nuchal skin from fetuses carrying trisomy 18 and trisomy 21. Cell Tissue Res 1994;227:465–475.
- Haak MC, Bartelings MM, Jackson DG, Webb S, Vugt JM, Groot AC. Increased nuchal translucency is associated with jugular lymphatic distension. Hum Reprod 2002;7:1086–1092.
- von Kaisenberg CS, Nicolaides KH, Brand-Saberi B. Lymphatic vessel hypoplasia in fetuses with Turner syndrome. Hum Reprod 1999;14:823–826.
- Landwehr JB Jr, Johnson MP, Hume RF, Yaron Y, Sokol RJ, Evans MI. Abnormal nuchal findings on screening ultrasonography: aneuploidy stratification on the basis of ultrasonographic anomaly and gestational age at detection. Am J Obstet Gynecol 1996;175:995–999.
- Maymon R, Dreazen E, Buckovsky I, Weinraub Z, Herman A. Does a `notched’ nuchal translucency indicate Down syndrome fetuses or other adverse pregnancy outcome? Prenat Diagn 2001;21:403–408.
- Leiva MC, Tolosa JE, Binotto CN, Weiner S, Huppert L, Denis AL, Huhta JC. Fetal cardiac development and hemodynamics in the first trimester. Ultrasound Obstet Gynecol 1999;14:169–174.
- Prefumo F, Risso D, Venturini PL, De Biasio P. Reference values for ductus venosus Doppler flow measurements at 10–14 weeks of gestation. Ultrasound Obstet Gynecol 2003;20:42–46.
- Van Splunder P, Huisman TW, DeRidder MA, Wladimiroff JW. Fetal venous and arterial flow velocity wave forms between eight and twenty weeks of gestation. Pediatr Res 1996;40:158–162.
- Kiserud T. Hemodynamics of the ductus venosus. Eur J Obstet Gynecol Reprod Biol 1999;84:139–147.
- Bahlmann F, Wellek S, Reinhardt I, Merz E, Steiner E, Welter C. Reference values of ductus venosus flow velocities and calculated waveform indices. Prenat Diagn 2000;20:623–634.
- Prefumo F, Venturini PL, De Biasio P. Effect of fetal gender on first-trimester ductus venosus blood flow. Ultrasound Obstet Gynecol 2003;22:268–270.
- Brand-Saberi B, Floel H, Christ B, Schulte-Vallentin M, Schindler H. Alterations of the fetal extracellular matrix in the nuchal oedema of Down’s syndrome. Ann Anat 1994;176:539–547.
- Brand-Saberi B, Epperlein HH, Romanos GE, Christ B. Distribution of extracellular matrix components in nuchal skin from fetuses carrying trisomy 18 and trisomy 21. Cell Tissue Res 1994;227:465–475.
- de Zegher F, Francois I, Boehmer AL, Saggese G, Müller J, Hiort O, Sultan C, et al. Androgens and fetal growth. Horm Res 1998;50:243–244.
- Kao JS, Garg A, Mao-Qiang M, Crumrine D, Ghadially R, Feingold KR, Elias PM. Testosterone perturbs epidermal permeability barrier homeostasis. J Invest Dermatol 2001;116:443–451.
- Bak H, Choi EH, Lee KG, Hong SP, Lee SH, Ahn SK. The effects of testosterone on skin barrier. Korean J Dermatol 2005;43:167–176.
- Efrat Z, Perri T, Ramati E, Tugendreich D, Meizner I. Fetal gender assignment by first-trimester ultrasound. Ultrasound Obstet Gynecol 2006;27:619–621.