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研究新生儿的染色体核型,不仅可以测定群体中染色体疾病的频率,而且可以获得关于人的染色体自发畸变率的原始资料。在过去的十多年中,报导过一些北美、欧洲和日本新生儿染色体的观察结果,这些研究大多采用脐带血培养。国内仅有一些零星报导,我国是个人口众多的国家,对染色体疾病发病率的调查研究实属必要,为此我们对北京地区部分新生儿脐带血作了培养检查分析。本文报告50例新生儿核型分析的初步结果。材料和方法实验材料主要来自在本院附属宣武医院妇产科分娩的新生儿脐带血,取血后立即置于
Studying the chromosomal karyotype of newborns not only determines the frequency of chromosomal diseases in the population, but also provides raw data on the spontaneous aberrations of the human chromosome. Over the past decade or so, there have been reports of some newborn chromosomes in North America, Europe and Japan, most of which were cultured in cord blood. Only a few domestic sporadic reports, China is a country with a large population, the incidence of chromosomal disease research is necessary, for which we part of the newborn in Beijing for cord blood culture examination. This article reports the preliminary results of the karyotype analysis of 50 newborn infants. Materials and Methods Experimental materials mainly from neonatal umbilical cord blood delivered in the obstetrics and gynecology department of Xuanwu Hospital Affiliated to our hospital,