Imagine that a fetus has been exposed to a teratogen In tryi

Imagine that a fetus has been exposed to a teratogen. In trying to predict the effects this is likely to have, what is the MOST important thing to know?

options:

What is the sex of the fetus?

How old was the mother at the time of exposure?

What stage of development was the fetus in at the time of exposure?

What is the weight of the mother? What is the social class of the mother?

Solution

Answer: What stage of development was the fetus in at the time of exposure?

Teratogen are broadly defined as the biological (virus, environmental toxins etc.) or chemical (drugs, stressors) agent and malnutrition, which is responsible to damage during the prenatal development. The damage during the prenatal development may lead to various types of birth defects and some times even death of the fetus in the womb.

There are so may factors influencing the effect of particular teratogen includes:

Considering the above facts, when a fetus has been exposed to a teratogen, to predict the effects this is likely to have, the MOST important thing to know (among the given options) is the stage of development of the fetus, at the time of exposure of the teratogen.