Which of the following teratogens tends to greatly reduce oxygen to the fetus, increase the risk of miscarriage, prematurity, and low birth weight with surviving children showing lower scores on language and mental abilities tests?
A)German measles
B)maternal stress
C)exposure to X-rays
D)smoking by the mother

Question

Quizplus · Accepted Answer

Smoking by the mother is known to significantly reduce oxygen supply to the fetus, increase the risk of miscarriage, prematurity, and low birth weight. Children born to mothers who smoked during pregnancy often show lower scores on language and mental abilities tests.

Which of the Following Teratogens Tends to Greatly Reduce Oxygen