References
- Van Mieghem T, Hindryckx A, Van Calsteren K. Early fetal anatomy screening: who, what, when and why? Curr Opin Obstet Gynecol. 2015;27(2):143–150.
- Nicolaides KH. A model for a new pyramid of prenatal care based on the 11 to 13 weeks’ assessment. Prenat Diagn. 2011;31(1):3–6.
- Yagel S, Achiron R, Ron M, et al. Transvaginal ultrasonography at early pregnancy cannot be used alone for targeted organ ultrasonographic examination in a high-risk population. Am J Obstet Gynecol. 1995;172(3):971–975.
- Chen M, Lam YH, Lee CP, et al. Ultrasound screening of fetal structural abnormalities at 12 to 14 weeks in Hong Kong. Prenat Diagn. 2004;24(2):92–97.
- Taipale P, Ammälä M, Salonen R, et al. Learning curve in ultrasonographic screening for selected fetal structural anomalies in early pregnancy. Obstet Gynecol. 2003;101(2):273–278.
- Taipale P, Ammälä M, Salonen R, et al. Two-stage ultrasonography in screening for fetal anomalies at 13–14 and 18–22 weeks of gestation. Acta Obstet Gynecol Scand. 2004;83(12):1141–1146.
- Souka AP, Pilalis A, Kavalakis I, et al. Screening for major structural abnormalities at the 11- to 14-week ultrasound scan. Am J Obstet Gynecol. 2006;194(2):393–396.
- Saltvedt S, Almström H, Kublickas M, et al. Detection of malformations in chromosomally normal fetuses by routine ultrasound at 12 or 18 weeks of gestation-a randomised controlled trial in 39,572 pregnancies. BJOG. 2006;113(6):664–674.
- Chen M, Lee CP, Lam YH, et al. Comparison of nuchal and detailed morphology ultrasound examinations in early pregnancy for fetal structural abnormality screening: a randomized controlled trial. Ultrasound Obstet Gynecol. 2008;31(2):136–46.
- Oztekin O, Oztekin D, Tinar S, et al. Ultrasonographic diagnosis of fetal structural abnormalities in prenatal screening at 11–14 weeks. Diagn Interv Radiol. 2009;15(3):221–225.
- Ebrashy A, El Kateb A, Momtaz M, et al. 13–14-week fetal anatomy scan: a 5-year prospective study. Ultrasound Obstet Gynecol. 2010;35(3):292–296.
- Syngelaki A, Chelemen T, Dagklis T, et al. Challenges in the diagnosis of fetal non-chromosomal abnormalities at 11–13 weeks. Prenat Diagn. 2011;31(1):90–102.
- Rossi AC, Prefumo F. Accuracy of ultrasonography at 11–14 weeks of gestation for detection of fetal structural anomalies. Obstet Gynecol. 2013;122(6):1160–1167.
- Timor-Tritsch IE, Bashiri A, Monteagudo A, et al. Qualified and trained sonographers in the US can perform early fetal anatomy scans between 11 and 14 weeks. Am J Obstet Gynecol. 2004;191(4):1247–1252.
- Salomon LJ, Alfirevic Z, Berghella V, et al. Practice guidelines for performance of the routine mid-trimester fetal ultrasound scan. Ultrasound Obstet Gynecol. 2011;37(1):116–126.
- Troyano J, Usandizaga M, Escurrida M, et al. Organización de la ecografía obstétrico-ginecológica. Recomendaciones para la organización de un servicio de obstetricia y ginecología. Documento SEGO. 2005. www.sego.es 2005;1:41–53.
- Guide E. 1.3 and reference documents [Internet]. Instructions for the registration and surveillance of Congenital Anomalies. [cited 2014 Jul 01]. Available from: http://www.eurocat-network.eu/content/EUROCAT-Guide-1.3pdf. .
- de Jong A, Dondorp WJ, Frints SG, et al. Advances in prenatal screening: the ethical dimension. Nat Rev Genet. 2011;12(9):657–663.
- Whitlow BJ, Economides DL. The optimal gestational age to examine fetal anatomy and measure nuchal translucency in the first trimester. Ultrasound Obstet Gynecol. 1998;11(4):258–261.
- Chasen ST, Kalish RB. Can early ultrasound reduce the gestational age at abortion for fetal anomalies? Contraception. 2013;87(1):63–66.
- Sonek J. First trimester ultrasonography in screening and detection of fetal anomalies. Am J Med Genet. 2007;145C(1):45–61.
- Davies V, Gledhill J, McFadyen A, et al. Psychological outcome in women undergoing termination of pregnancy for ultrasound-detected fetal anomaly in the first and second trimesters: a pilot study. Ultrasound Obstet Gynecol. 2005;25(4):389–392.
- American College of Obstetricians and Gynecologists. ACOG Practice Bulletin No. 101: ultrasonography in pregnancy. Obstet Gynecol. 2009;113(2 Pt 1):451–461.
- National Collaborating Centre for Women’s and Children’s Health. Antenatal care: routine care for the healthy pregnant woman. London, UK: Royal College of Obstetricians and Gynaecologists Press; 2008.
- Cargill Y, Morin L, Diagnostic Imaging Committee. Content of a complete routine second trimester obstetrical ultrasound examination and report. J Obstet Gynaecol Can. 2009;31(3):272–275.
- Timor-Tritsch IE, Fuchs KM, Monteagudo A, et al. Performing a fetal anatomy scan at the time of first-trimester screening. Obstet Gynecol. 2009;113(2 Pt 1):402–407.
- Becker R, Wegner RD. Detailed screening for fetal anomalies and cardiac defects at the 11-13-week scan. Ultrasound Obstet Gynecol. 2006;27(6):613–618.
- Khalil A, Nicolaides KH. Fetal heart defects: potential and pitfalls of first-trimester detection. Semin Fetal Neonat Med. 2013;18(5):251–260.