Teratogenic drugs

• What are teratogenic drugs?

  Chemical substances causing developmental abnormalities
• Why are teratogens especially damaging during the embryonic stage?

  It is a critical period in prenatal development
• How do teratogens affect the fetus later in development compared to the embryonic stage?

  They affect size, behavior, intelligence, and health
• What did past researchers believe about the placenta's role?

  It served as a barrier to protect from toxins
• Why is it important for pregnant women to avoid unprescribed medications?

  Due to potential dangers to fetal development
• What should pregnant women do regarding medications?

  Only take those recommended by their doctor