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绒毛细胞直接制备染色体是一种新的、快速的孕早期产前诊断染色体疾病的好方法。本文报道了120例人工流产前的孕妇经宫颈取微量绒毛用该法进行染色体检查,取材以孕6～8周为最佳,分裂相出现率达100%。本文还对秋水仙碱和低渗液的浓度和作用时间等进行了观察。
The direct preparation of chromosomes by villi cells is a novel and rapid method of prenatal diagnosis of chromosomal disorders in the first trimester. This article reported 120 pregnant women before artificial abortion fetus by cervical microvilli by the method of chromosome examination, drawing 6 to 8 weeks of pregnancy is the best, the appearance of the split phase rate of 100%. This article also colchicine and hypotonic solution concentration and duration of action were observed.