Sally (who is 5 weeks pregnant)and Norma (who is 5 months pregnant)both work in a plant that produces toxic chemicals.One day there is an accident and both are exposed to a number of these chemicals.Sally's physician tells her that they are going to watch for liver damage in the fetus she is carrying,whereas Norma's physician tells her that her baby may be born smaller than expected.The physicians likely have such differing concerns because

Question

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Different aspects of development have varying susceptibility to damage at different points during prenatal development. Liver damage typically occurs later in pregnancy, while growth restriction is more likely to occur earlier on. This explains the differing concerns of the physicians for Sally and Norma's fetuses. The other answer choices are not valid explanations for the physicians' differing concerns.

Sally (Who Is 5 Weeks Pregnant)and Norma (Who Is 5