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Blog: Recent Posts
  1. ACOG Opinion on Noninvasive Prenatal Genetic Testing

    Noninvasive Prenatal Testing for Fetal Aneuploidy ABSTRACT: Noninvasive prenatal testing that uses cell free fetal DNA from the plasma of pregnant women offers tremendous potential as a screening tool for fetal aneuploidy. Cell free fetal DNA testing should be an informed patient choice after pretest counseling and should not be...
  2. Choosing to Participate in Prenatal Screening for Down Syndrome

    New prenatal screening test for Down syndrome raises questions LEISA SCOTT IT RAINED the day they got the news. Big, pelting drops, as if some screenwriter well-versed in melodrama was dictating the scene. Annie Love couldn’t take the call. She’d been going “slowly nuts” waiting for diagnosis day to arrive...

Non-Invasive Prenatal Paternity DNA Testing

poster_ravgen_process Ravgen is focused on developing non-invasive prenatal diagnostic tests based on fetal DNA present in maternal blood. The publicity surrounding our publications generated a large number of phone calls from patients requesting various non-invasive prenatal tests even on a research basis. These phone calls opened our eyes to a significant unmet clinical need which compelled us to develop Non-invasive Prenatal Paternity DNA Testing. Ravgen’s focus is on noninvasive prenatal diagnostics from fetal DNA in mother’s blood. This has led to the development of noninvasive prenatal paternity DNA testing that meets the needs of those patients interested in safe alternatives to traditional paternity tests. Ravgen exists to explore the unmet needs of patients seeking non-invasive prenatal paternity DNA testing. After years of research and development, The Lancet fast-track published our study on a noninvasive prenatal Downs syndrome test in February of 2007. The publicity surrounding our previous publications generated a large number of phone calls from patients who needed to determine paternity during the pregnancy but did not wish to undergo invasive tests, such as amniocentesis, which carry a risk of miscarriage. These patients had very compelling reasons for prenatal paternity testing. For example, some were victims of rape, others were carriers of genetic disorders and uncertain paternity impacted whether or not they were at risk for having a child affected with the disorder. In some cases, uncertain paternity was leading to such stress during the pregnancy that it was having an impact on the health of the pregnancy. These patient phone calls opened our eyes to a significant unmet clinical need which compelled us to develop a noninvasive prenatal paternity test. Please contact Ravgen for more information regarding noninvasive prenatal DNA paternity testing and how to make convenient arrangements for you in your area.

The Prosecution of Michael Roseboro

Screen Shot 2013-02-26 at 9.11.12 AM Ravgen’s focus is on noninvasive prenatal diagnostics from fetal DNA in mother’s blood. This has led to the development of a noninvasive prenatal paternity test. In 2008, our Prenatal DNA Paternity technology was used in the prosecution of the Michael Roseboro murder trial of Lancaster County, Pennsylvania. Click the link to the right to see a description of how our Non-invasive Prenatal DNA Paternity Test was used in this case as told by true-crime novelist, M. William Phelps, in his 2011 book on this case.