We suspect he also had a partially cleft palate, another congenitaldefect.
我们怀疑他还有部分腭裂，这也是一种先天性缺陷。
2
Some of the babies were related as they showed a congenital bone defect on their knee bones, which is a very rare gene.
一些孩子还是血脉相连的，因为他们的膝盖骨上都有一种先天性的骨质缺损，这种遗传基因是非常罕见的。
3
Objective: To explore the practical value of Down's screening and antenatal diagnosis in preventing and decreasing chromosomal disease and congenital birth defect.