To remember these interactions, think of the 5 P’s: power, passage, passenger, position, and psyche. The nurse’s understanding of the expected progression of the four stages of labor is crucial when providing care during each step, starting at triage through transfer of the patient to the postpartum recovery room.

Labor is an intricate process that involves the laboring person, the fetus, and the interactions between them. If any of these components is not functioning as expected, the labor and birth can be impacted.

labor — uterine contractions that lead to dilation and effacement of the cervix and move the presenting fetal part through the pelvis. four stages of labor — crucial when providing care during each step, starting at triage through transfer of the patient to the postpartum recovery room. position — position of the laboring and birthing person; impacts much of the birth process and often changes the course of labor. psyche — mind of the laboring and birthing person, which can have a lasting impact on every stage of labor and birth.