What Should Nurses Be Aware of with Regard to Systemic

What should nurses be aware of with regard to systemic analgesics administered during labour?

A) Systemic analgesics cross the maternal blood-brain barrier as easily as they do the fetal blood-brain barrier.
B) Effects on the fetus and newborn can include decreased alertness and delayed sucking.
C) Intramuscular ( IM ) administration is preferred over intravenous ( IV ) administration.
D) IV patient-controlled analgesia ( PCA ) results in increased use of an analgesic.