Trisomy 21

Self-Supporting Nasopharyngeal Airway (ssNPA) Treating Upper Airway Obstruction in Hypotonia

Assessment of Diastolic Function During the Transitional Period and Infancy Using Serial Echocardiography

Paternal Age and Fetal Aneuploidy

The Human Trisome Project

Periodontitis and Inflammation in Children With Down Syndrome/Trisomy 21: Study on Biological Samples

Relationship Between Eating Patterns, Body Composition and the Detection of Fatty Liver in Children and Adolescents With Trisomy 21: LiverTy Project

Learning by Repetitive Viewing of Peer Modeling Patient Education Videos by Adults With Down Syndrome

Verification of Risk Assignment for Whole Chromosome Using SNP-based NIPT in Vanishing Twin Pregnancies

Use of Partial Body Weight Support Play Environment to Encourage Mobility and Exploration in Infants With Down Syndrome

At-Home Research Study for Patients With Autoimmune, Inflammatory, Genetic, Hematological, Infectious, Neurological, CNS, Oncological, Respiratory, Metabolic Conditions

Use of Liquid Stable Levothyroxine in Trisomy 21 Pediatric Patients

Prenatal Non-invasive Aneuploidy Test Utilizing SNPs Trial

Diagnosis Accuracy of Noninvasive Screening by PCR Digital for Down Syndrom

Non-invasive Screening of Fetal Trisomy 21 by Digital PCR

Non Invasive Prenatal Diagnosis of Trisomy 21 by Genetic Analysis of Circulating Fetal Cells

Study of High Risk Non Invasive Prenatal Test Population

SNP-based Microdeletion and Aneuploidy RegisTry (SMART)

Development of Non-invasive Prenatal Screening Test for Microdeletions Based on Fetal DNA Isolated From Maternal Blood

Non-Invasive Chromosomal Evaluation of Trisomy Study

Development of Non-invasive Prenatal Test for Microdeletion and Other Genetic Syndromes Based on Cell Free DNA