Patient's question:
My baby couldn't lift both heads and had a dull gaze. The stomach was particularly swollen, so I took her to the hospital for a thorough examination. The doctor said she had Down syndrome. I'd like to ask, how many types of Down syndrome are there?Doctor's answer:
Down syndrome is a disease caused by abnormal genetic material. It is generally classified according to cytogenetics. It is divided into standard type and translocation type based on karyotype. The clinical manifestations of mosaicism types vary with the proportion of normal cells, ranging from nearly normal to typical. Down syndrome is a serious chromosomal disease that interferes with the physical and mental development of patients. It has a high incidence rate in clinical diagnosis. Down syndrome is an abnormality of chromosome 21.