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Tag: Down syndrome
Down Syndrome: An Evidence-Based Overview for Medical Professionals
Definition Down syndrome (DS), also known as Trisomy 21, is a genetic disorder caused by the presence of a full or partial extra copy of chromosome 21. This chromosomal abnormality disrupts typical development and results in a spectrum of cognitive, physical, and medical challenges. Three cytogenetic types are recognized: Epidemiology Clinical Features Craniofacial and Musculoskeletal:…