I didn't know what the correct term was for things that could cause harm to a fetus until now.Which are called teratogens; my thoughts before reading this chapter was that a woman shouldn't introduce any teratogens to her fetus at any point during her pregnancy.I assumed that it didn't matter what trimester the mother was in she would still cause hard to the fetus. I learned that teratogens affect a fetus differently from one trimester to the next. Each trimester could cause different abnormalities in the fetus. I found this chapter very
