Research cited in the text suggests that cigarette smoking during pregnancy interferes with prenatal development primarily because:
A) oxygen flow is reduced to the fetus
B) cigarette smoke includes teratogens that can cross the placental barrier
C) women who smoke cigarettes are more likely to also use alcohol
D) women who smoke are more likely to have poor nutrition

Question

Quizplus · Accepted Answer

Research suggests the smoking damages fetuses through damage to the placenta and constriction of blood vessels in the uterus, leading to a reduced flow of nutrients and oxygen.

Research Cited in the Text Suggests That Cigarette Smoking During