【摘要】 本文研究了采用绒毛组织,不经培养,直接制备染色体的方法和结果。并对影响本质量的诸因素进行了摸索和研究,总结出我们的低温常规法。本文80例的结果表明其分裂相出现率为100％,可进行核型分析者达95％。以停经45天前后取材最佳。以易购的秋水仙素代替昂贵舶来品秋水酰胺,结果仍然满意。该项技术操作简便、可靠、改变了利用绒毛细胞培养制备染色体的许多弊端。更多还原

【Abstract】 Antenatal diagnosis of chromosome gene disease and sex-linked heredopa-thia from chorion has been an importment eugenic measure in medicine today.The method about the preparation of chorion is discussed.The best result isobtained at 45 days after LMP.The result of 80 cases is reported.The technicof preparation and factors influence the result were mentioned.更多还原