When does sensitivity to teratogens begin?
A) 3 weeks after conception
B) 6 weeks after conception
C) 12 weeks after conception
D) 16 weeks after conception

Question

Quizplus · Accepted Answer

Teratogens can have an effect on embryonic development as early as 3 weeks after conception, during the embryonic period. This is why it is important for pregnant women to avoid exposure to harmful substances during the early stages of pregnancy.

When Does Sensitivity to Teratogens Begin