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以绒毛为标本,用于孕早期产前诊断,近年来已成为优生科学和预防医学的一个新方向。我们使用自己设计的绒毛吸管,经宫颈吸取绒毛行产前诊断,并对绒毛直接制备染色体过程中存在的一些主要问题作了些技术上的改进。现报告如下。
With villus as a specimen for prenatal diagnosis in early pregnancy, in recent years has become a new direction for eugenics and preventive medicine. We use our own designed villus pipette, prenatal diagnosis by cervical aspiration villi and make some technical improvements to some of the major problems in the direct preparation of chromosomes. The report is as follows.