# A postpartum nurse is assessing a client 2 hours after vaginal delivery. Which assessment finding would be the most concerning indicator of uterine atony?

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> subject: Maternal Newborn Health

## 문제

A postpartum nurse is assessing a client 2 hours after vaginal delivery. Which assessment finding would be the most concerning indicator of uterine atony?

## 보기

1. Fundus palpated 2 fingerbreadths below the umbilicus and firm to touch
2. Lochia rubra with small clots and mild cramping reported by client
3. Fundus palpated 3 fingerbreadths above the umbilicus and soft/boggy to touch **✔ 정답**
4. Client reports moderate pain rated 6/10 with breast tenderness

**정답: 3**

## 해설

A fundus palpated above the umbilicus and soft/boggy indicates uterine atony, a serious cause of postpartum hemorrhage requiring immediate intervention. Other findings (fundus below umbilicus firm, lochia rubra with clots, moderate pain) are normal postpartum assessments.

## 심화 해설

Clinical Reasoning and Assessment Finding Analysis

The most concerning indicator of uterine atony is a fundus that is displaced upward and feels soft or boggy on palpation. In the early postpartum period, the uterine muscle must remain firmly contracted to compress the open vessels at the placental site. When the muscle fails to contract effectively—a condition termed uterine atony—the uterus fills with blood, stretches, and rises above the expected position.

Why Option 3 Signals Uterine Atony

A fundus palpated 3 fingerbreadths above the umbilicus and described as soft/boggy is the classic physical exam finding for uterine atony. Normally, within the first 12 hours after delivery, the fundus should be firm and located at or slightly below the level of the umbilicus. A boggy consistency indicates the myometrium is not contracting, and the elevated height suggests the uterus is distending with accumulated blood and clots. This finding directly reflects the pathophysiology described in the literature: uterine atony is the most common cause of postpartum hemorrhage (PPH), and early recognition of a soft, displaced fundus is critical for initiating timely interventions such as fundal massage and uterotonic agents [1,3].

Analysis of Incorrect Options

Option 1 describes a fundus that is 2 fingerbreadths below the umbilicus and firm. This is a normal, expected finding for a client at 2 hours postpartum and indicates the uterus is well-contracted, effectively controlling bleeding from the placental site.

Option 2 mentions lochia rubra with small clots and mild cramping. Lochia rubra is the normal vaginal discharge for the first few days after delivery, consisting of blood and decidual debris. Small clots and mild cramping, often termed "afterpains," are common, especially in multiparous clients, as the uterus intermittently contracts. This finding does not indicate a loss of uterine tone.

Option 4 reports moderate pain and breast tenderness. While pain requires assessment and management, a pain score of 6/10 with breast tenderness is most likely related to breast engorgement or perineal trauma/discomfort, not a primary sign of uterine atony. It does not provide information about the contractility of the uterine fundus.

Pathophysiology and Clinical Application

The myometrial muscle fibers must constrict around the spiral arteries that supplied the placental bed; this contraction is the body’s primary mechanism for achieving hemostasis after delivery. When atony occurs, these vessels remain open, leading to rapid blood loss. The assessment sequence of palpating the fundus for location, position, and consistency is the frontline surveillance method for detecting this emergency. A structured clinical approach that begins with this simple palpation facilitates early identification of the underlying cause of hemorrhage and supports rapid intervention to prevent progression to severe hypovolemia [3]. Cases of refractory PPH can present with discordant findings, such as a firm fundus with a boggy lower uterine segment, underscoring that a comprehensive assessment is vital, but the classic, most concerning single indicator remains a universally soft and elevated fundus .References (research sources)

- [3]Contemporary Approach to Postpartum Hemorrhage: Early Diagnosis and Evidence-Based Therapeutic Management.Research articleZúñiga Gómez E, Durán Monge PR, Castro Rivero LC. (2026) · DOI: 10.7759/cureus.107095

## 임상 시나리오

Clinical Practice Guide: Postpartum Uterine Atony Assessment

Key Assessment Findings

- **Fundal Position:** A fundus displaced **above the umbilicus** suggests the uterus is filling with blood and clots.

- **Fundal Consistency:** A **soft or boggy** fundus indicates the myometrium is not contracting to compress vessels at the placental site.

- **Bleeding:** May present as a steady trickle or sudden gush of bright red blood; lochia flow may be heavier than expected.

Immediate Nursing Interventions

- **Fundal Massage:** Support the lower uterine segment with one hand and gently but firmly massage the fundus with the other until it becomes firm. Never massage a firm uterus.

- **Empty the Bladder:** A distended bladder displaces the uterus and prevents contraction; assist the client to void or perform straight catheterization if needed.

- **Administer Uterotonics:** As prescribed, administer oxytocin (Pitocin) as a first-line agent, followed by methylergonovine (Methergine), carboprost (Hemabate), or misoprostol (Cytotec) if bleeding persists.

- **Monitor Vital Signs:** Assess for tachycardia and hypotension, which are late signs of hypovolemia from postpartum hemorrhage.

- **Quantify Blood Loss:** Weigh pads and linens (1 gram = 1 mL blood loss) to accurately estimate blood volume lost.

Expected vs. Abnormal Findings (First 12 Hours Postpartum)

| Assessment | Normal Finding | Abnormal (Uterine Atony) |
| --- | --- | --- |
| Fundal Position | At or 1-2 fingerbreadths below umbilicus | Above umbilicus, often deviated to one side |
| Fundal Consistency | Firm | Soft, boggy |
| Lochia | Rubra, moderate flow, small clots | Heavy rubra, large clots, or sudden gush |

Risk Factors for Uterine Atony

- Uterine overdistension (multiple gestation, polyhydramnios, macrosomia)

- Prolonged or precipitous labor

- High parity

- Chorioamnionitis

- Use of magnesium sulfate or halogenated anesthetics

## 핵심 개념

- **Uterine Atony** — Failure of the uterine myometrium to contract effectively after delivery, the leading cause of postpartum hemorrhage.
- **Fundus** — The upper portion of the uterus; its position and consistency are key indicators of uterine contraction status postpartum.
- **Boggy Uterus** — A soft, non-firm consistency of the uterus upon palpation, indicating poor muscle tone and risk of hemorrhage.
- **Postpartum Hemorrhage (PPH)** — Excessive bleeding following childbirth, commonly defined as blood loss greater than 500 mL after vaginal delivery.
- **Lochia Rubra** — The vaginal discharge consisting of blood and decidual debris during the first 3-4 days postpartum, which is a normal finding.

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