Launch External Tool Provide thorough responses to three of the following discussion items. 1) It is important that mothers understand the role that the environment plays in the development of the embryo/fetus. Define and give several examples of teratogens that have an adverse impact on the developing fetus. During which stage of prenatal development is the embryo/fetus most susceptive to teratogenic damage? Why? 2) Exposure to certain drugs during pregnancy can affect the developing fetus. Choose three drugs that are mentioned in your textbook (or lecture), and explain how they may adversely affect the baby's development. 3) The Centers for Disease Control (CDC) has recommended that women receive preconception care. If you were to design a national program to educate women on what preconception care is and why they should have it, what kinds of information would you include? How would you ensure that you target lower-SES groups