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目的研究不良孕产史及表型异常与染色体异常的关系。方法对511例遗传咨询者进行外周血染色体核型分析。结果511例中共检出48例染色体异常,异常检出率为9.39%。结论染色体异常是导致不良孕产史和表型异常的重要原因之一。
Objective To study the relationship between abnormal pregnancy history and phenotype abnormalities and chromosomal abnormalities. Methods 511 cases of genetic counseling were analyzed by peripheral blood karyotype. Results 48 cases of chromosomal abnormalities were detected in 511 cases, the detection rate was 9.39%. Conclusion Chromosomal abnormalities are one of the important causes of abnormal pregnancy and phenotype abnormalities.