Down Syndrome, Definition, Causes & Symptoms, Risk factors & Complications, Diagnosis & Treatment, Prevention, (by GS India Nursing).

It is the commonest chromosomal disorder in which chromosome is in triplicate (Trisomy), most often due to nondisjunction (abnormal number chromosomes) of maternal chromosomes 21, associated with advanced maternal age. … Continue readingDown Syndrome, Definition, Causes & Symptoms, Risk factors & Complications, Diagnosis & Treatment, Prevention, (by GS India Nursing).