Which of the Following Is a True Statement About the Principles

Which of the following is a true statement about the principles underlying teratogenic effects?

A) Each teratogen acts the same on all developing tissue.
B) Susceptibility to teratogens varies with the developmental stage of the fetus at the time of exposure.
C) The mother's physiological state (e.g., age, hormonal balance) has no impact on the susceptibility of the fetus to teratogenic agents.
D) Teratogens that have little or only a temporary effect on the mother do not cause abnormalities in the developing organism.