Understanding Teratogens in Prenatal Development

Hard Unit 6: Developmental Psychology Prenatal Development

During prenatal development, various factors can influence the growth and development of the fetus. One such factor is teratogens, which are substances that can cause malformations in the developing embryo or fetus. Understanding the stages of prenatal development and the timing of teratogen exposure is crucial for assessing potential risks. Which of the following statements accurately describes a teratogen and its impact during prenatal development?

Teratogens only affect fetal development during the third trimester.

All teratogens have the same effects on fetal development regardless of the timing of exposure.

Teratogens can result in physical malformations only after the first trimester.

Teratogens can impact fetal development at any stage of pregnancy, and the effects can vary based on the timing of exposure.

The placenta effectively filters out all teratogens, making them harmless to the developing fetus.

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