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妊娠相关血浆蛋白A检测在产前筛查胎儿染色体病中的应用价值 被引量:1

Matemal serum pregnancy - associated plasma protein A value in screening of fetal chromosomal anomality
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摘要 目的 :探讨产前检测孕妇血清妊娠相关血浆蛋白A(PAPP -A)水平在筛查胎儿染色体病中的应用价值。方法 :采用双抗夹心酶联免疫法测定 973例妊娠 7~ 2 6周高危孕妇血清中PAPP -A的亚单位SPP -A的水平 ,当SPP -A水平低于同孕周中位数的 0 4 3倍时 ,于妊娠 15周以后取脐血或羊水做胎儿染色体核型检查。结果 :在 116例SPP -A水平低于同孕周中位数的 0 4 3倍的病例中 ,5 0例自愿做脐血或羊水检查 ,其中 5例染色体数目异常 ,7例染色体结构异常 ,阳性率为 2 4 0 0 %。结论 :妊娠早期及中期检测孕妇血清PAPP -A水平对胎儿染色体数目及结构异常的筛查均有一定价值。
出处 《暨南大学学报(自然科学与医学版)》 CAS CSCD 2001年第4期109-110,113,共3页 Journal of Jinan University(Natural Science & Medicine Edition)
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