先天性异常的英文：
congenital abnormality

参考例句：

Alimentary tract duplication is a rare congenital malformations.
摘要肠胃道复制畸形是一种少见的先天性异常。

Clefts are often associated with other more serious congenital defects
裂口常与其他更严重的先天性异常并发。

congenital是什么意思：
adj. 先天的，天生的

Congenital defects,blindness,etc
先天性缺陷、失明等.

A congenital idiot,syphilitic,etc
先天性白痴、梅毒患者等.

This ia a congenital form of anemia occurring mostly in blacks.
这是一种先天的贫血症，大多发生在黑人。

How to judge the cataract that is congenital cataract or posteriority?
如何判断是先天性白内障还是后天性的白内障？

A congenital lip deformity caused him to speak in nasal.
天生的嘴唇畸形致使他说话带有鼻音

abnormality是什么意思：
n. 不正常,反常

abnormal menstrual period
经期异常

abnormality of uterine contraction
子宫收缩力异常

reactor abnormality diagnostics
反应堆异常诊断法

The trigger output is abnormal.
触发器输出异常。

constitutional predisposition to a particular disease or abnormality.
对于某种疾病增强身体素质的倾向。