世界出生缺陷预防机构联盟宣言出生缺陷是导致胎儿和婴幼儿死亡的主要原因，也是引起那些存活下来的人们出现生长发育障碍和智力低下的主要原因，广义地讲，出生缺陷可定义为：因出生前的各种因素而造成的、存在于人体婴幼儿时期或童年早期的一切遗传性或获得性异常。我们... World Federation of Birth Defects Prevention Agency Declarations Birth defects are the main cause of fetal and infant deaths. They are also responsible for the growth and developmental disorders and mental retardation of those who survive. Broadly speaking, birth defects can be defined as: All hereditary or acquired abnormalities that existed in infants and young children or early childhood due to various factors. we...