[1. Hook EB. Prevalence of chromosome abnormalities during human gestation and implications for studies of environmental mutagens. Lancet. 1981; 2:169-72.10.1016/S0140-6736(81)90356-1]Open DOISearch in Google Scholar
[2. Gardner RJM, Sutherland GR, Shafter LG. Chromosome abnormalities and genetic counseling. 4th ed. New York: Oxford University Press; 2012.10.1093/med/9780195375336.001.0001]Search in Google Scholar
[3. Bull MJ; Committee on Genetics. Health supervision for children with Down syndrome. Pediatrics. 2011; 128:393-406.10.1542/peds.2011-1605]Search in Google Scholar
[4. Sheets KB, Crissman BG, Feist CD, Sell SL, Johnson LR, Donahue KC, et al. Practice guidelines for communicating a prenatal or postnatal diagnosis of Down syndrome: recommendations of the national society of genetic counselors. J Genet Couns. 2011; 20:432-41.10.1007/s10897-011-9375-8]Open DOISearch in Google Scholar
[5. ACOG Practice Bulletin No. 77: screening for fetal chromosomal abnormalities. Obstet Gynecol. 2007; 109:217-27.10.1097/00006250-200701000-00054]Search in Google Scholar
[6. Langlois S, Duncan A. Use of a DNA method, QFPCR, in the prenatal diagnosis of fetal aneuploidies. J Obstet Gynaecol Can. 2011; 339:955-60.10.1016/S1701-2163(16)35022-8]Search in Google Scholar
[7. Sun X, Yan M, Zhang Y, Zhou X, Wang C, Zheng F, et al. Practical application of fluorescent quantitative PCR on Trisomy 21 in Chinese Han population. Mol Biol Rep. 2006; 33:167-73.10.1007/s11033-006-0013-8]Search in Google Scholar
[8. Pertl B, Kopp S, Kroisel PM, Hausler M, Sherlock J, Winter R, et al. Quantitative fluorescence polymerase chain reaction for the rapid prenatal detection of common aneuploidies and fetal sex. Am J Obstet Gynecol. 1997; 177:899-906.10.1016/S0002-9378(97)70292-8]Search in Google Scholar
[9. Mann K, Fox SP, Abbs SJ, Yau SC, Scriven PN, Docherty Z, et al. Development and implementation of a new rapid aneuploidy diagnostic service within the UK National Health Service and implications for the future of prenatal diagnosis. Lancet. 2001; 358: 1057-61.10.1016/S0140-6736(01)06183-9]Search in Google Scholar
[10. Hulten MA, Dhanjal S, Pertl B. Rapid and simple prenatal diagnosis of common chromosome disorders: advantages and disadvantages of the molecular methods FISH and QF-PCR. Reproduction. 2003; 126: 279-97.10.1530/rep.0.1260279]Search in Google Scholar
[11. Jain S, Panigrahi I, Gupta R, Phadke SR, Agarwal S. Multiplex quantitative fluorescent polymerase chain reaction for detection of aneuploidies. Genet Test Mol Biomarkers. 2012; 16:624-7.10.1089/gtmb.2011.0243]Open DOISearch in Google Scholar
[12. Zimmermann B, Holzgreve W, Wenzel F, Hahn S. Novel real-time quantitative PCR test for trisomy 21. Clin Chem. 2002; 482:362-3.10.1093/clinchem/48.2.362]Search in Google Scholar
[13. Hu Y, Zheng M, Xu Z, Wang X, Cui H. Quantitative real-time PCR technique for rapid prenatal diagnosis of Down syndrome. Prenat Diagn. 2004; 24:704-7.10.1002/pd.968]Open DOISearch in Google Scholar
[14. Zhu YN, Lu SM, You JF, Zhu B, Yu MY. Novel realtime PCR assay for rapid prenatal diagnosis of Down syndrome: a prospective study of 563 amniocytes. Clin Biochem. 2009; 42:672-5.10.1016/j.clinbiochem.2009.02.004]Open DOISearch in Google Scholar
[15. Helmy SM, Ismail S, Bassiouni R, Gaber KR. Sensitivity of DCSR3/GAPDH ratio using quantitative real-time PCR in the rapid prenatal diagnosis for down syndrome. Fetal Diagn Ther. 2009; 25:220-3.10.1159/000218031]Open DOISearch in Google Scholar
[16. Livak KJ, Schmittgen TD. Analysis of relative gene expression data using real-time quantitative PCR and the 2-ΔΔCT Method. Methods. 2001; 25:402-8.10.1006/meth.2001.1262]Open DOISearch in Google Scholar
[17. Pornprasert S, Sukunthamala K, Sacome J, Phusua A, Saetung R, Sanguansermsri T, et al. Analysis of realtime SYBR-polymerase chain reaction cycle threshold for diagnosis of the α-thalassemia-1 Southeast Asian type deletion: application to carrier screening and prenatal diagnosis of Hb Bart’s hydrops fetalis. Hemoglobin. 2008; 32:393-402. 10.1080/03630260701798367]Open DOISearch in Google Scholar