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Clinical Studies


  • Mayo Clinic Umbilical and Placental Tissues Biobank Rochester, Minn.

    The purpose of this study is to collect paired maternal and umbilical cord blood samples that can be processed for various traits in the blood, including serum, DNA, RNA and cells. The long term goal of this project is to start an Umbilical and Placental Tissues Biobank, which will operate in parallel to the Mayo Clinic Biobank. In future studies, we may use the serum, DNA and RNA obtained from cord blood and your blood to understand health and disease.

  • Sequencing for Families with Hereditary Disorders; Diagnostic Odyssey in the Perinatal Setting Rochester, Minn.

    The purpose of this project will examine the feasibility of offering whole genome sequencing (WGS), and developing a Rapid WGS protocol, for a fetus or neonate with multiple anomalies.

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  • Clinical Utility of the Addition of a SNP-based NIPT Zygosity Determination in TWIN Pregnancy Management (ZTWINS) (ZTWINS) Rochester, Minn.

    The primary objective of the study is to assess the clinical utility of combining noninvasive prenatal testing (NIPT)-based zygosity measurements with ultrasound chorionicity assessments for the management of twin pregnancies, as measured by the following endpoints:  the overall frequency of NIPT-determined zygosity and monozygosity among twin pregnancies, the frequency of NIPT-determined zygosity rate among monochorionic and dichorionic twin pregnancies, and the proportion of twin pregnancies with twin-twin transfusion syndrome (TTTS) that are diagnosed late as compared with historical rates.