Invasive prenatal diagnostic techniques include amniocentesis, chorionic villus sampling(CVS),fetal blood sampling and embryoscopy.In this article,we introduced the procedures of these met...

• 该文就介入性宫内诊断技术中的羊膜腔穿刺术、绒毛活检术、胎儿脐血穿刺术及胎儿镜检查等产前诊断技术的操作和适应症等进行比较和讨论。