Which clinical effect can occur in the presence of increased maternal pain perception during labor?
a. Increase in uterine contractions in response to catecholamine secretion
b. Decrease in blood pressure in response to alpha receptors
c. Decreased perfusion to the placenta in response to catecholamine secretion
d. Increased uterine blood flow, causing increase in maternal blood pressure
ANS: C
Decreased perfusion to and from the placenta occurs as result of catecholamine secretion. A decrease in uterine contractions is seen in response to catecholamine secretion. Maternal blood pressure is increased in response to alpha receptors. Decreased uterine blood flow causes an increase in maternal blood pressure.
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