Question

multiple choice question
what is a teratogen?

a male sex hormone

an agent, such as a drug or illness, that can disrupt the development of the fetus

a fertilized egg that has not yet implanted into the uterine wall

another term for a preterm infant

Explanation:

Teratogens are substances or agents like drugs, certain illnesses, radiation etc. that can cause birth - defects by interfering with the normal development of the fetus during pregnancy.

Answer:

an agent, such as a drug or illness, that can disrupt the development of the fetus