Which adaptation of the maternal-fetal exchange of oxygen occurs in response to uterine contraction?
A) The maternal-fetal exchange of oxygen and waste products continues except when placental functions are reduced.
B) This maternal-fetal exchange increases as the blood pressure decreases.
C) It diminishes as the spiral arterioles are compressed.
D) This exchange of oxygen and waste products is not significantly affected by contractions.

Question

Quizplus · Accepted Answer

Uterine contractions can compress the spiral arterioles in the placenta, reducing blood flow to the fetus and decreasing oxygen and nutrient delivery. As a result, the maternal-fetal exchange of oxygen and other substances may diminish during contractions.

Which Adaptation of the Maternal-Fetal Exchange of Oxygen Occurs in Response