Objective:To evaluate the role of percutaneous ultrasound-monitored amniocentesis in the prenatal diagnosis of the fetal chromosomal abnormalities.
目的评价羊水穿刺术在产前诊断胎儿染色体异常中的应用。
Objective:To evaluate the role of percutaneous ultrasound-monitored amniocentesis in the prenatal diagnosis of the fetal chromosomal abnormalities.
目的评价羊水穿刺术在产前诊断胎儿染色体异常中的应用。
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