But PGD is starting to be used to target less-serious disorders or certain characteristics — such as a baby's gender — that aren't medical conditions.
但是PGD的目标开始转移向那些没那么严重的疾病或者某些特定的特征，比如孩子的性别，而这不再是医疗范畴了。
He plans to offer his PGD amplification technique to fertility clinics for medical purposes such as screening for complex disorders, but won't let it be used for physical trait selection.
他计划将他的技术提供给生育研究所用来进行检查复杂疾病这样的医疗行为，而不是用来选择生理特征。
While it's technologically possible, whether any deaf or dwarf babies have been born as a result of PGD is uncertain.
即使技术允许，任何经基因筛检出的聋或矮宝宝是否能出生也是不确定的。
PGD is good for screening for specific genetic disorders such as cystic fibrosis and Tay-Sachs disease, and also can be used to select gender.
PGD适用于特殊遗传病的筛查，如囊性纤维化和神经节苷脂病，而且PGD也可以用于性别选择。
PGD was first performed in the early 1990's as a way for couples to prevent the pregnancy of a child with genetic disease.
胚胎移植前遗传学诊断（PGD）起源于90年代初，是怀孕的夫妇防止胎儿受到异常基因或染色体影响的一种有效措施。
PGD was first performed in the early 1990's as a way for couples to prevent the pregnancy of a child with genetic disease.
胚胎移植前遗传学诊断（PGD）起源于90年代初，是怀孕的夫妇防止胎儿受到异常基因或染色体影响的一种有效措施。
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