What immediate action should be taken for nonreassuring fetal status during the second stage of labor?

In the context of nonreassuring fetal status during the second stage of labor, providing supplemental oxygen via an O2 face mask can be an appropriate immediate action. This intervention aims to enhance fetal oxygenation, especially if there are indications of fetal distress, such as abnormal heart rate patterns. By delivering oxygen to the mother, it may enhance the overall oxygen supply to the fetus, particularly if the distress is related to issues such as uterine contractions causing inadequate placental perfusion.

While other options like administering tocolytics, initiating further fetal monitoring, or performing a cesarean section may be considered depending on the specific clinical scenario, immediate oxygen delivery can often be a straightforward and effective measure to stabilize the situation. Doing so helps improve fetal oxygenation while further evaluations and decisions regarding the management of labor can continue.