唐氏综合症是染色体异常导致的先天性疾病,患儿常伴有先天性心脏病,智力低下,行动迟缓。据不完全统计,我国每年约有26000个唐氏症患儿出生,此类患儿治疗费用每年超过20亿元,给其家庭和社会带来了沉重的负担。 Down’s syndrome is a congenital disease caused by chromosomal abnormalities. Children are often accompanied by congenital heart disease, mental retardation and slow action. According to incomplete statistics, about 26,000 children with Down’s syndrome are born each year in our country. The treatment costs of these children exceed 2 billion yuan each year, posing a heavy burden to their families and society.