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A Complete Guide to OB Maternity Nursing

Jun 26, 2026

JDMA Nursing School

OB maternity nursing is a unique and deeply rewarding specialty that combines the excitement of new life with high-stakes clinical care. Whether you're preparing for your maternity rotation or studying for NCLEX, here's a complete guide to the key concepts.

The Four Stages of Labor

Understanding labor is fundamental to maternity nursing. The four stages are:

  • Stage 1 — Onset of labor to full cervical dilation (10 cm). Divided into latent, active, and transition phases.
  • Stage 2 — Full dilation to delivery of the baby
  • Stage 3 — Delivery of the placenta
  • Stage 4 — Recovery (first 1–2 hours after delivery)

Fetal Heart Rate Monitoring

Electronic fetal monitoring is central to intrapartum care. You must know the difference between reassuring and non-reassuring patterns, and how to interpret accelerations, decelerations (early, late, variable), and baseline variability.

Late decelerations are always a priority — they signal uteroplacental insufficiency and require immediate intervention.

Key Medications in Maternity Nursing

  • Oxytocin (Pitocin) — labor induction and postpartum hemorrhage prevention
  • Magnesium Sulfate — eclampsia prevention and preterm labor
  • Betamethasone — lung maturity in preterm infants
  • Methylergonovine — postpartum hemorrhage

Postpartum Assessment: BUBBLE-HE

Use this mnemonic for postpartum assessments: Breasts, Uterus, Bowel, Bladder, Lochia, Episiotomy, Homans sign, Emotional status.

High-Risk Conditions to Know

Focus on preeclampsia, gestational diabetes, placenta previa, abruptio placentae, and postpartum hemorrhage. These are high-yield NCLEX topics that require specific nursing priorities and interventions.

Our OB Maternity Bundle and OB Maternity Audiobook cover all these topics in detail with easy-to-follow notes and audio review.

👉 Shop Maternity Nursing Study Tools →