scholarly journals Genetic sonography after first-trimester Down syndrome screening

2007 ◽  
Vol 29 (6) ◽  
pp. 666-670 ◽  
Author(s):  
D. A. Krantz ◽  
T. W. Hallahan ◽  
V. J. Macri ◽  
J. N. Macri
Keyword(s):  
Down Syndrome ◽  
First Trimester ◽  
Down Syndrome Screening

Genetic Sonography After First-trimester Down Syndrome Screening

2007 ◽  
Vol 62 (9) ◽  
pp. 571-573
Author(s):  
D A. Krantz ◽  
T W. Hallahan ◽  
V J. Macri ◽  
J N. Macri
Keyword(s):  
Down Syndrome ◽  
First Trimester ◽  
Down Syndrome Screening

Fetal Nasal Bone Assessment in First Trimester Down Syndrome Screening

2008 ◽  
Vol 24 (1) ◽  
pp. 61-66 ◽  
Author(s):  
Recep Has ◽  
Ibrahim Kalelioglu ◽  
Atil Yuksel ◽  
Lemi Ibrahimoglu ◽  
Hayri Ermis ◽  
...  
Keyword(s):  
Down Syndrome ◽  
Nasal Bone ◽  
First Trimester ◽  
Fetal Nasal Bone ◽  
Bone Assessment ◽  
Down Syndrome Screening

Gender impact on first trimester markers in Down syndrome screening

2002 ◽  
Vol 22 (13) ◽  
pp. 1207-1208 ◽  
Author(s):  
Severin Olesen Larsen ◽  
Karen R. Wøjdemann ◽  
Anne-Cathrine Shalmi ◽  
Karin Sundberg ◽  
Michael Christiansen ◽  
...  
Keyword(s):  
Down Syndrome ◽  
First Trimester ◽  
Down Syndrome Screening

Uptake of Noninvasive Prenatal Testing in Chinese Women following Positive Down Syndrome Screening

2014 ◽  
Vol 37 (2) ◽  
pp. 141-147 ◽  
Author(s):  
C.F. Poon ◽  
W.C. Tse ◽  
K.O. Kou ◽  
K.Y. Leung
Keyword(s):  
Down Syndrome ◽  
Chinese Women ◽  
Multivariable Analysis ◽  
Chorionic Villus ◽  
Prenatal Testing ◽  
First Trimester ◽  
Screening Methods ◽  
Chorionic Villus Sampling ◽  
Noninvasive Prenatal Testing ◽  
Down Syndrome Screening

Objectives: To investigate how the introduction of noninvasive prenatal testing (NIPT) influenced women's testing choices following a positive Down syndrome screening. Methods: A retrospective study was conducted to compare differences in the uptake rates of invasive prenatal diagnosis (IPD) or no testing in one public hospital 1 year before (pre-NIPT) and 1 and 2 years after the introduction of NIPT in private in August 2011 using descriptive analysis and a χ2 test. Conventional screening was funded publicly, but NIPT was not. Multivariable binary logistic regression was used to determine factors affecting choices. Results: In pre-NIPT and in years 1 and 2 after the introduction of NIPT, 306, 362 and 401 women who screened positive were seen, respectively. In year 1 and year 2, 12.6 and 26.7% of them underwent NIPT while IPD was decreased by 16.3 and 25.6%, respectively (p < 0.001). Both chorionic villus sampling and amniocentesis decreased in year 1, but only the former in year 2. However, the rate of declining further testing was similar before and after NIPT (p = 0.213). In multivariable analysis, first trimester screening, nulliparity and working women were significant predictors of accepting NIPT, while only nulliparity was a predictor of declining IPD (OR = 0.61). Conclusions: Introduction of NIPT resulted in a significant decrease in IPD for 2 consecutive years.

scholarly journals P11.09: First-trimester Down syndrome screening: clinical results in patients with risk ≥ 1/270

2009 ◽  
Vol 34 (S1) ◽  
pp. 220-220
Author(s):  
C. Martínez-Payo ◽  
C. Franco ◽  
Y. N. Jimenez ◽  
M. Ruiz de Azúa ◽  
F. Garcia-Benasach ◽  
...  
Keyword(s):  
Down Syndrome ◽  
First Trimester ◽  
Clinical Results ◽  
Down Syndrome Screening
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