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对102对有不良孕产史夫妇进行外周血染色体检查,检出异常核型8例,染色体异常频率为3.92%,其中1例为世界首报核型。本文对染色体平衡易位、性染色体数目异常及杂色体多态与不良孕产史的关系进行了探讨。
Peripheral blood chromosomal examination was performed on 102 pairs of couples with adverse pregnancy history. Eight cases of abnormal karyotypes were detected. The frequency of chromosomal abnormalities was 3.92%. One case was the world first reported karyotype. In this paper, the relationship between chromosomal equilibrium translocation, the number of sex chromosome abnormalities and the polymorphism of the chromosomes and poor pregnancy history were discussed.