关键词 : 脐静脉穿刺 ; 超声引导 ; 产前诊断 ; 孕中晚期 [gap=1606]Key words: Umbilical blood sampling; Ultrasound guided; Prenatal diagnosis; Second and third trimester
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经皮脐静脉穿刺术 percutaneous umbilical blood sampling ; PUBS
及脐静脉穿刺取脐血 PUMCC
脐静脉穿刺
Umbilical vein puncture
以上为机器翻译结果，长、整句建议使用 人工翻译 。
目的探讨彩超引导下脐静脉穿刺术的安全性和成功率。
Objective To evaluate the efficacy and safety of color-ultrasound guided percutaneous umbilical blood sampling.
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方法对42例因各种原因行产前诊断孕妇进行脐静脉穿刺术。
Methods Free umbilical cords were punctured under color-ultrasound in 42 pregnant women for prenatal diagnosis.
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