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5. Comparison of Down's syndrome screening strategies in Asians combining serum free beta-hCG and alpha-fetoprotein with maternal age. Hsu JJ, Hsieh TT, Soong YK, Spencer K. Prenat Diagn; 1997 Aug; 17(8):707-16. PubMed ID: 9267893 [Abstract] [Full Text] [Related]
6. A prospective evaluation of a second-trimester screening test for fetal Down syndrome using maternal serum alpha-fetoprotein, hCG, and unconjugated estriol. Cheng EY, Luthy DA, Zebelman AM, Williams MA, Lieppman RE, Hickok DE. Obstet Gynecol; 1993 Jan; 81(1):72-7. PubMed ID: 7677967 [Abstract] [Full Text] [Related]
7. [Second trimester maternal serum screening for Down's syndrome in women of advanced maternal age: a multi-center prospective study]. Qi QW, Jiang YL, Liu JT, Bian XM, Li Y, Lü SM, Zhu BS, Wang H, Xu ZF, Pan XY, Cai Y. Zhonghua Fu Chan Ke Za Zhi; 2008 Oct; 43(10):737-41. PubMed ID: 19087538 [Abstract] [Full Text] [Related]
8. Prenatal screening using maternal serum alpha-fetoprotein, human chorionic gonadotropin, and unconjugated estriol: two-year experience in a health maintenance organization. McDuffie RS, Haverkamp AD, Stark CF, Haverkamp C, Barth CK. J Matern Fetal Med; 1996 Oct; 5(2):70-3. PubMed ID: 8796771 [Abstract] [Full Text] [Related]
10. Preliminary evidence for associations between second-trimester human chorionic gonadotropin and unconjugated oestriol levels with pregnancy outcome in Down syndrome pregnancies. Benn PA. Prenat Diagn; 1998 Apr; 18(4):319-24. PubMed ID: 9602476 [Abstract] [Full Text] [Related]
11. [Second trimester maternal serum screening for Down's syndrome in mainland China: a multi-center prospective study]. Bian XM, Liu JT, Qi QW, Jiang YL, Li Y, Liu SY, Hao N, Zhou J, Lü SM, Zhu BS, Wang H, Xu ZF, Pan XY, Liao C, Cai Y, Wang H, Wang Z, Zhu J, Hu YL. Zhonghua Fu Chan Ke Za Zhi; 2008 Nov; 43(11):805-9. PubMed ID: 19087560 [Abstract] [Full Text] [Related]
12. [Evaluation of Down's syndrome screening methods using maternal serum biochemistry in the second trimester pregnancy]. Yu DY, Fu P, Zhang ZH, Wang F, Han MY, Ren HY, Zhao W, Zhang K, Li S, Jiang N. Zhonghua Yi Xue Yi Chuan Xue Za Zhi; 2011 Jun; 28(3):332-5. PubMed ID: 21644235 [Abstract] [Full Text] [Related]
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16. Serum markers for Down's syndrome in relation to number of previous births and maternal age. Wald NJ, Watt HC. Prenat Diagn; 1996 Aug; 16(8):699-703. PubMed ID: 8878278 [Abstract] [Full Text] [Related]
17. [Noninvasive serum test for prenatal detection of Down syndrome, other chromosome abnormalities and open neural tube defects--a prospective study]. Zwahr C, Voss P, Kistner G. Geburtshilfe Frauenheilkd; 1994 Jun; 54(6):355-61. PubMed ID: 7522195 [Abstract] [Full Text] [Related]
18. 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. PubMed ID: 16388509 [Abstract] [Full Text] [Related]
20. Detection of maternal serum hCG glycoform variants in the second trimester of pregnancies affected by Down syndrome using a lectin immunoassay. Talbot JA, Spencer K, Abushoufa RA. Prenat Diagn; 2003 Jan; 23(1):1-5. PubMed ID: 12533803 [Abstract] [Full Text] [Related] Page: [Next] [New Search]