[染色体结构畸变的发生率]

J Genet Hum. 1975 Oct;23 SUPPL:42-9.

The incidence of constitutional chromosomal abnormalities in livebirths has been estimated at 0.62% from 7 surveys pooling 45,183 newborns. The repartition of these abnormalities is reported and compared to the incidence observed in spontaneous abortuses, perinatal deaths and in normal adults.

七项涵盖45183名新生儿的调查显示，活产儿中先天性染色体异常的发生率估计为0.62%。本文报告了这些异常的分布情况，并与自然流产儿、围产儿死亡以及正常成年人中观察到的发生率进行了比较。