What are the three categories of teratogens? Environmental hazards, infection, and drugs and alcohol

Infection, disease, and poor nutrition

Poor nutrition, drugs and alcohol, and vitamins

Disease, poor nutrition, and vitamins

Drugs and alcohol, infection, and accidents

Infection, disease, and poor nutrition

Explanation:

Teratogen, quite simply put, is any external agent which creates an abnormality in the foetus due to exposure while a woman is pregnant.

Therefore, the three categories of teratogens are Infection, disease, and poor nutrition.

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