![PDF] First-trimester risk calculation for trisomy 13, 18, and 21: comparison of the screening efficiency between 2 locally developed programs and commercial software. | Semantic Scholar PDF] First-trimester risk calculation for trisomy 13, 18, and 21: comparison of the screening efficiency between 2 locally developed programs and commercial software. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/a7d5b36f3aa2d8e0d07c528c8bc0752605231cbf/3-Table1-1.png)
PDF] First-trimester risk calculation for trisomy 13, 18, and 21: comparison of the screening efficiency between 2 locally developed programs and commercial software. | Semantic Scholar
![Walk-through of NSGC's Positive Predictive Value Calculator for Noninvasive Prenatal Tests (NIPT) - YouTube Walk-through of NSGC's Positive Predictive Value Calculator for Noninvasive Prenatal Tests (NIPT) - YouTube](https://i.ytimg.com/vi/hJuLicJkWmI/mqdefault.jpg)
Walk-through of NSGC's Positive Predictive Value Calculator for Noninvasive Prenatal Tests (NIPT) - YouTube
![PDF] First-trimester risk calculation for trisomy 13, 18, and 21: comparison of the screening efficiency between 2 locally developed programs and commercial software. | Semantic Scholar PDF] First-trimester risk calculation for trisomy 13, 18, and 21: comparison of the screening efficiency between 2 locally developed programs and commercial software. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/a7d5b36f3aa2d8e0d07c528c8bc0752605231cbf/7-Table2-1.png)
PDF] First-trimester risk calculation for trisomy 13, 18, and 21: comparison of the screening efficiency between 2 locally developed programs and commercial software. | Semantic Scholar
![NIPTRIC: an online tool for clinical interpretation of non-invasive prenatal testing (NIPT) results | Scientific Reports NIPTRIC: an online tool for clinical interpretation of non-invasive prenatal testing (NIPT) results | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fsrep38359/MediaObjects/41598_2016_Article_BFsrep38359_Fig1_HTML.jpg)