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20世纪 90年代初以来 ,随着分子生物学技术的日益完善 ,胚胎植入前遗传学诊断 (ｐｒｅｉｍｐｌａｎｔａｔｉｏｎｇｅｎｅｔｉｃｄｉａｇ ｎｏｓｉｓ,ＰＧＤ)的发展十分迅速 ,临床上可以鉴定性别 ,诊断多种单基因病及染色体病 ,全世界已有近百例婴儿经ＰＧＤ后诞生。但临床上Ｐ
Since the early 90s of last century, with the improvement of molecular biology technology, preimplantation genetic diagnosis (PGD) has developed rapidly and can identify clinically gender, diagnose a variety of single and chromosomal diseases Nearly one hundred infants in the world have been born after PGD. But clinically P