0.4 points
During which stage of development is the developing baby most susceptible to the effects of teratogens?
Second trimester
Embryonic period
Fetal period
First trimester



Answer :

Final answer:

The embryonic period is when the developing baby is most vulnerable to teratogens, which are factors that can lead to birth defects. Mothers should avoid exposure to teratogens to reduce the risk to their developing child.


Explanation:

Embryonic period is when the developing baby is most susceptible to the effects of teratogens. During this stage, major structures of the body are forming, making the embryo vulnerable to damage if exposed to harmful substances.

Teratogens are factors like maternal diseases, drugs, alcohol, and stress that can contribute to birth defects. To reduce the risk, mothers should avoid exposure to teratogens especially during the most critical periods of prenatal development.


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