Alcohol does mental and physical harm to a prenatal child and therefore it is referred to as a:

 The correct answer is : teratogen

Explanation:  A teratogen is a substance or agent that causes damage to the development of the fetus or embryo, and may cause some birth defect in the baby. It can also a substance of these stop the pregnancy completely. Some teratogens are: radiation, maternal infections, some medications and certain chemicals.

answer; consonant;

answer; jewish immigrants;