What is a teratogen?

A) a segment of DNA crucial to reproduction
B) the source of nutrients for a developing fetus
C) an environmental factor that produces birth defects
D) another term for "fallopian tube"

Teratogen

An environmental agent, such as a drug, chemical, virus, or other factor that produces a birth defect.

Environmental Factor

Any external element that can influence the development or outcome of a process or the health of an organism.

Birth Defects

Abnormalities in physical or mental structure or function that are present at birth, affecting body development or function.