Problem: Fetal development is controlled by our genes but also influenced by the environment, which is why teratogens are of concern. The impact of teratogens can range greatly, and we don't have a clear view of what causes what and how it happens.
Consider the case of a pregnancy in Black and brown families, and what are optimal choices would for diet, testing, exposure to mood-altering drugs of any kind (i.e., including coffee), and give your thoughts on ONE aspect and what you would try to do.