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- W3029291234 abstract "目的 对高危孕妇进行脐血染色体检查,探讨胎儿异常核型出现的频率、类型及与各种产前诊断指征之间的关系.方法 796名具有不同产前诊断指征的孕妇,在妊娠19～38周进行胎儿脐静脉穿刺,抽取脐血进行染色体核型检查.结果 共检出异常核型42例,为5.3％(42/796),其中数目异常31例,结构异常11例.结论 在具有产前诊断指征的孕妇中,胎儿染色体异常发生率为5.3％,脐静脉穿刺为妊娠中晚期一项重要诊断方法。" @default.
- W3029291234 created "2020-06-05" @default.
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- W3029291234 date "2013-08-10" @default.
- W3029291234 modified "2023-09-25" @default.
- W3029291234 title "796份胎儿脐血染色体核型分析与产前诊断" @default.
- W3029291234 hasPublicationYear "2013" @default.
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