Process of Labor – Mom Nursing Mnemonic (4 P’s)

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4 P’s

  • P-Powers
  • P-Passageway
  • P-Passenger
  • P-Psyche


The 4 P’s describe the mother’s role in the process of labor. The 4P’s all work together and essential to facilitate a safe and successful delivery. Powers – The power the mother exerts to push out the baby – Uterine power (contractions) and Cervical power (dilation and effacement). Passageway – the pathway the baby takes out of the mother’s body (pelvis and related structures). Passenger – the baby and placenta. Psyche – Mom’s emotional state: Supportive, therapeutic environment will facilitate a smoother labor. Fearful, angry, tense emotions will make labor much more difficult

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