Maternal-Newborn Nursing · Nursing Care and Interventions During Labor and Birth

Nursing Care During the Fourth Stage of Labor

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Want it in plain words first? Jump to Eli explains — the same idea, no jargon.
On this page 8 sections
  1. In 30 seconds
  2. Why this matters
  3. The college version
  4. Eli explains
  5. Key takeaway
  6. Check yourself
  7. Study tools
  8. Sources & references

In 30 seconds

The is the recovery period immediately after delivery of the placenta — conventionally the first 1–4 hours after birth, though the exact duration varies by institution. During these hours the pregnant person's body stabilizes: the uterus starts to involute (shrink back), is at its heaviest, and vital signs settle toward a new baseline.

This stage is crucial because the risk of postpartum hemorrhage is highest in the first hours after delivery. The nurse's work here is a structured, repeated assessment loop — vital signs, fundal tone and position, lochia, , bladder, comfort, and the newborn — at protocol-set intervals, with any deviation reported promptly. It is also the start of postpartum teaching: how to assess the , what lochia to expect, and which warning signs require a call to the provider.

Why this matters

Most serious postpartum bleeding occurs in the first two hours after birth, when the uterus is still learning to stay contracted and the placental site is a fresh wound. A nurse who finds a boggy fundus, or notices lochia suddenly turning heavy or bright red, is catching the earliest signal of a preventable emergency.

The college version

Core Concepts

The assessment loop: BUBBLE-HE

Many programs teach a mnemonic for postpartum assessment — — a checklist, not a replacement for clinical judgment:

  • B – Breasts: Skin, nipples, and early colostrum if the parent plans to feed.
  • U – Uterus (fundus): Height (near the umbilicus), tone (firm), position (midline).
  • B – Bladder: Distention and voiding — a full bladder pushes the uterus up and sideways.
  • B – Bowel: Sensation, gas, and plans for elimination (especially after anesthesia).
  • L – Lochia: Amount, color (rubra initially), odor, and clots.
  • H – Hemia (perineum): Edema, bruising, , lacerations/episiotomy, repair site.
  • E – Extremities/Emotions: Circulation, pain, and emotional state.

The nurse repeats these assessments at protocol-set intervals (commonly every 15 minutes for the first hour, then less often) and documents each finding.

Fundal tone, position, and involution

After birth the uterus should be firm (contracted), midline, and about the size of a grapefruit, with the fundus at or near the umbilicus; — the shrinking back toward nonpregnant size — proceeds over days to weeks. The immediate concern is tone: a soft, "boggy" uterus means the placental site is not compressed and bleeding can continue. If the fundus is boggy, the nurse massages it gently per protocol (a cupped hand supporting the lower segment); if it does not firm up or bleeding is heavy, the provider is notified. A fundus displaced to one side usually means a full bladder is pushing it over.

Lochia: what is normal, what is not

Lochia is the vaginal discharge of blood, decidua, and debris after birth. In the fourth stage it is rubra (red, with small clots) and should steadily decrease. A sudden increase, large clots, or a return to bright red bleeding after it had slowed are warning signs; a foul odor suggests infection. The nurse teaches the expected progression (rubra → serosa → alba) and which changes warrant a call to the provider.

Bladder and perineal care

The bladder sits directly in front of the uterus, and a full bladder is a classic cause of a displaced, atonic uterus. The nurse encourages voiding within a few hours, monitors output, and may straight-catheterize per orders if the person cannot void. Perineal care includes assessing for edema, bruising, or hematoma (a tense, painful, growing bulge), applying ice or warmth per protocol, teaching hygiene (front-to-back wiping, frequent pad changes), and watching any repair site for redness, swelling, or drainage.

Comfort, pain, and emotional support

The parent may have (stronger with later pregnancies or breastfeeding), perineal discomfort, chills, or fatigue; the nurse offers comfort measures per the care plan and ordered pain relief. Emotionally, the fourth stage brings excitement, exhaustion, and sometimes disappointment or anxiety — the nurse supports the family, honors cultural preferences, and watches for hemorrhage-related distress (pallor, restlessness, tachycardia) that can masquerade as ordinary fatigue.

The newborn and the family

The nurse facilitates skin-to-skin contact and the first feeding if the parent wishes, keeps the newborn warm and safe (identification bands, crib safety, fall prevention while the parent is drowsy), and involves the support person. Teaching about newborn cues, feeding, and when to call for help begins here.

Education for home: warning signs

Before discharge teaching is complete, the parent should be able to state the warning signs that require prompt care: heavy or increasing bleeding (e.g., saturating a pad in an hour), large clots, fever, severe pain, foul-smelling lochia, painful or swollen breasts or legs, and any trouble with the newborn. Discharge criteria, follow-up timing, and call numbers follow the institution's policy and provider's plan.

Clinical Scenario: The Boggy Fundus Caught Early

Thirty minutes after delivering her placenta, Priya rests with her newborn skin-to-skin while the nurse does the scheduled check. Priya's blood pressure is slightly low and her pulse is up. The nurse finds the fundus soft, above the umbilicus, and displaced right — boggy and displaced. Priya admits she has not been able to void; after the provider orders straight catheterization, she voids 500 mL, and the nurse massages the fundus per protocol until it firms at the umbilicus, midline. A pad check shows moderate with no large clots. The nurse documents the findings, rechecks 15 minutes later (still firm), and teaches Priya what bleeding would be a warning sign. The episode resolves without escalation — an example of how systematic assessment and bladder awareness prevent a small problem from becoming a hemorrhage.

Common Confusions

Do Not ConfuseWithDifference
Fourth stage of laborThe postpartum period / "fourth trimester"The fourth stage is the first hours after delivery; the postpartum period spans weeks
Boggy uterusUterine atony as a diagnosis"Boggy" is the finding; atony is the problem it signals — the nurse acts and reports
Fundus displaced to one sideMalposition of the uterus itselfUsually a full bladder is pushing it over — empty the bladder per orders first
Perineal edemaPerineal hematomaEdema is diffuse swelling; a hematoma is a tense, growing, painful bulge — different urgency
Teaching about warning signsGiving medical adviceThe nurse educates and refers; diagnosis and treatment belong to the provider
Eli, the EliExplains learning guide

Eli explains

The same idea, in plain words

Explain it like I’m 10

After the baby and placenta are out, the body starts fixing itself. The uterus — the balloon that held the baby — needs to squeeze back into a firm ball, like a fist, so the inside stops bleeding. The nurse checks that the belly feels firm, that bleeding is slowing, and that the person can pee, since a full bladder pushes the uterus out of place.

Key takeaways

  • The fourth stage is the first 1–4 hours after placental delivery — highest hemorrhage risk.
  • Use a systematic assessment (e.g., BUBBLE-HE); the fundus should be firm, midline, at or near the umbilicus — boggy = hemorrhage risk, displaced = full bladder.
  • Lochia rubra is normal initially and should decrease; heavy, bright, or sudden bleeding and large clots are warning signs.
  • Encourage voiding within a few hours; catheterize per orders if needed.
  • Assess the perineum for edema, bruising, hematoma, and repair sites.
  • Support skin-to-skin, first feeding, and family bonding while keeping the newborn safe; teach home warning signs and document learning.

Check yourself

6 review questions from the chapter. Try each one, then open the answer.

  1. What defines the fourth stage of labor, and why is it a high-risk period?

    Show answer

    It is the recovery period immediately after delivery of the placenta (first 1–4 hours). It is high-risk because postpartum hemorrhage is most likely in these first hours.

  2. Describe the expected fundal findings (tone, position, height) in the fourth stage, and what a boggy fundus means.

    Show answer

    The fundus should be firm, midline, and at or near the umbilicus. A boggy fundus means the uterus is not contracting well, so the placental site can bleed — the nurse massages per protocol, rechecks, and notifies the provider if it does not firm up or bleeding is heavy.

  3. What is lochia rubra, and what changes in lochia should the nurse treat as warning signs?

    Show answer

    Lochia rubra is the initial red, bloody discharge; it is normal and should steadily decrease. Sudden increase, large clots, bright-red return, or foul odor are warning signs.

  4. Why does a full bladder matter in the fourth stage?

    Show answer

    A full bladder displaces the uterus upward and sideways, preventing contraction and leading to bleeding. Encouraging early voiding (and catheterizing per orders if needed) is a key intervention.

  5. List four elements of the BUBBLE-HE assessment.

    Show answer

    Breasts, Uterus (fundus), Bladder, Bowel, Lochia, Perineum (Hemia), and Extremities/Emotions.

  6. Name three home warning signs the nurse should teach before discharge.

    Show answer

    Heavy or increasing bleeding (e.g., a pad saturated within an hour), fever, severe or worsening pain, foul-smelling lochia, painful or swollen breasts/legs, and any concerning newborn signs — the exact list follows the institution's discharge teaching.

Keep learning

Ready to build on this? Continue to the next lesson.

Study tools & related lessonsKey vocabulary · Related

Key vocabulary

Fourth stage of labor
The recovery period immediately after placental delivery (first 1–4 hours)
Involution
The uterus shrinking back toward nonpregnant size over days to weeks
Fundus
The top (body) of the uterus
Boggy uterus
A soft, poorly contracted uterus
Lochia
Postpartum vaginal discharge of blood and tissue (rubra → serosa → alba)
Lochia rubra
The initial red, bloody lochia
BUBBLE-HE
A mnemonic for systematic postpartum assessment
Afterpains
Uterine cramping after birth, often stronger with breastfeeding
Hematoma
A collection of blood under perineal or vaginal tissue
Perineum
The area between the vagina and anus

Sources & references

  1. openstax.org — Maternal Newborn Nursing

This lesson was adapted from the open educational references above; their licenses and attributions are preserved. See Copyright & Licensing.

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