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Physiological AdaptationAtony = #1 cause; firm fundus

Postpartum HemorrhageNCLEX cheat sheet

Postpartum hemorrhage (PPH) is blood loss greater than 500 mL after a vaginal birth or 1000 mL after a cesarean, or any blood loss causing hemodynamic instability.

20 key facts 5 practice questions Reviewed Oct 2026
The 1-minute sheetCinnaRN

Define

  • > 500 mL vaginal, > 1000 C-section
  • Uterine atony = #1 cause

Do First

  • Massage fundus FIRST (boggy)
  • Empty bladder (displaces uterus)

Meds

  • Oxytocin, methergine (NOT if HTN)
  • Carboprost (NOT if asthma)

Report

  • Boggy fundus, saturate pad < 1 hr
  • ↑ HR, ↓ BP = hypovolemic shock
Key takeaway

Uterine atony is the number-one cause; the fundus feels soft, boggy, and may be displaced above and to the side of midline (often from a full bladder).

Before you read

Test yourself first: 5 questions

Question 1 of 5

A postpartum client is diagnosed with early postpartum hemorrhage. The nurse identifies that the most common cause of early postpartum hemorrhage is which condition?

What is postpartum hemorrhage?

The most common cause is uterine atony (a boggy, non-contracting uterus). Other causes follow the 4 T's memory aid: Tone (atony), Trauma (lacerations), Tissue (retained placenta), and Thrombin (clotting defects). It is a leading cause of maternal death and demands rapid recognition.

Postpartum Hemorrhage illustrated

Postpartum hemorrhage: a firm uterus clamps vessels shut; a boggy (atonic) uterus lets them bleed
Postpartum hemorrhage: a firm uterus clamps vessels shut; a boggy (atonic) uterus lets them bleed. Illustration: CinnaRN.

Key points to remember

  • Uterine atony is the number-one cause; the fundus feels soft, boggy, and may be displaced above and to the side of midline (often from a full bladder).
  • A boggy uterus with steady bright-red bleeding or large clots signals atony.
  • Bright-red bleeding with a firm, well-contracted uterus suggests a laceration of the birth canal.
  • Early signs of hypovolemia include tachycardia and narrowed pulse pressure; hypotension is a late sign.
  • Retained placental fragments prevent the uterus from contracting and cause continued bleeding.

Nursing priorities

  1. Perform fundal massage first for a boggy uterus to stimulate contraction and control bleeding.
  2. Empty the bladder (encourage voiding or catheterize) so the uterus can contract down.
  3. Administer uterotonics as ordered (oxytocin first-line; also methylergonovine, carboprost, or misoprostol).
  4. Establish IV access, give fluids, monitor vital signs, and prepare for blood replacement.
  5. Quantify ongoing blood loss by weighing pads and count clots while monitoring for shock.

Labs & values

Hemoglobin: normal12-16 g/dL (females); a drop signals significant loss
Hematocrit: normal36-46% (females)
Platelets and fibrinogen if a clotting cause is suspected (fibrinogen200-400 mg/dL)
1216g/dL Normal

Patient teaching

  • Report soaking a pad in an hour, passing large clots, or feeling dizzy or weak after going home.
  • Empty your bladder regularly so the uterus can stay firm.
  • Learn how to check and gently massage your own fundus if instructed.

Red flags: report now

  • A boggy fundus that does not firm with massage, or saturation of a pad within 15 minutes, is an emergency.
  • Report rising heart rate, falling blood pressure, restlessness, or pallor, which indicate hemorrhagic shock.
  • Do not give methylergonovine to a patient with hypertension; do not give carboprost to a patient with asthma.
  • Report a uterus that remains boggy despite massage and uterotonics; surgical intervention may be needed.

References

Clinical references for this topic

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