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唐氏综合征的产前筛查秦秋平ＭｉｃｈａｅｌＣｈｒｉｓｔｉａｎｓｅｎＢｅｎｔＮｏｒｇａａｒｄ－Ｐｅｄｅｒｓｅｎ唐氏综合征又称先天愚型，是严重智力发育障碍的最主要的原因。西方发达国家出生时的流行率约为１．３‰，在先天性染色体异常疾病中占首位。患者平均寿命可...
Down Syndrome Prenatal Screening Qin Qiuping MichaelChristiansenBentNorgaard-Pedersen Down Syndrome, also known as Down’s syndrome, is the most important cause of severe mental retardation. The prevalence rate in western developed countries was about 1.3 ‰ at birth, accounting for the first place in the diseases of congenital chromosomal abnormalities. The average life expectancy of patients can be ...