Which period of prenatal development is considered the critical period and also a time in which teratogens can have a profound effect that endure into adulthood?

Question

Quizplus · Accepted Answer

The embryonic period is considered the critical period because it is the time when the foundations of all major organ systems are laid down. Teratogens, or substances that can cause birth defects, have the most profound effect during this period, potentially causing lifelong consequences.

Which Period of Prenatal Development Is Considered the Critical Period